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ANODE MATERIAL AND BATTERY

Resumen de: US2025246625A1

An anode material and a battery provided. The anode material includes artificial graphite particle, and there are pores inside and/or on surface of the artificial graphite particle, and the anode material has a pore volume of V cm3/kg, a true density of D g/cm3, and a specific surface area of S m2/g, where 4.0≤V*S/D≤10. The anode material and battery effectively improve active site of surface of anode material and enhance rate performance of anode material.

POSITIVE ELECTRODE PLATE AND LITHIUM-ION BATTERY COMPRISING THE POSITIVE ELECTRODE PLATE

Resumen de: US2025246632A1

Disclosed are a positive electrode plate and a lithium-ion battery including the same. The positive plate includes a positive electrode current collector and a positive electrode coating layer; and the positive electrode coating layer includes a first coating layer and a second coating layer, wherein the first coating layer is coated on the positive electrode current collector surface, and the second coating layer is coated on the first coating layer surface. The lithium-ion battery has a good safety performance, and when mechanical misuse (needling, weight impact) occurs, the probability of battery fire failure is significantly reduced.

ANODE FOR LITHIUM METAL BATTERY, LITHIUM METAL BATTERY INCLUDING THE SAME, AND METHOD OF PREPARING ANODE FOR LITHIUM METAL BATTERY

Resumen de: US2025246635A1

A lithium metal battery may include an anode, and a method of preparing an anode for a lithium metal battery, wherein the anode may include an anode current collector; and an electrodeposition inducing layer disposed on the anode current collector, the electrodeposition inducing layer including a first electrodeposition inducing layer and a second electrodeposition inducing layer disposed between the first electrodeposition inducing layer and the anode current collector, the first electrodeposition inducing layer including a metal, and the second electrodeposition inducing layer including a conductive polymer.

FLUORIDE ION SECONDARY BATTERY

Resumen de: US2025246636A1

A fluoride ion secondary battery including an electrode material mixture layer; and a current collecting layer, the current collecting layer having an elastic modulus of 1400 kgf/mm2 or less is provided. The current collecting layer may comprise carbon particles. The fluoride ion secondary battery may not comprise a current collecting foil in contact with the current collecting layer.

Battery Module Having Connector Mounted on FPCB, and Battery Pack and Vehicle Comprising Same

Resumen de: US2025246696A1

Disclosed is a battery module, which includes a cell stack formed by stacking a plurality of battery cells; a bus bar frame assembly including a bus bar frame configured to cover one longitudinal end and the other longitudinal end of the cell stack and a plurality of bus bars fixed on the bus bar frame and electrically connected to the battery cells; and a FPCB assembly including a first FPCB extending along a longitudinal direction of the cell stack to cover at least a portion of an upper surface of the cell stack, a second FPCB extending from one longitudinal end of the first FPCB and electrically connected to the bus bars, and a connector having a connector pin inserted into a pin insert hole formed in the second FPCB.

SEPARATOR DEFECT INSPECTION APPARATUS FOR SECONDARY BATTERY

Resumen de: US2025246700A1

Proposed is a separator defect inspection apparatus for a secondary battery. The separator defect inspection apparatus includes a base plate that is provided to be movable toward a secondary battery and a compression unit that provides a localized protrusion structure to the base plate to compress a predetermined area of the secondary battery.

POSITIVE ELECTRODE ACTIVE MATERIAL, METHOD FOR MANUFACTURING POSITIVE ELECTRODE ACTIVE MATERIAL, AND FLUORIDE ION SECONDARY BATTERY

Resumen de: US2025246613A1

Provided is a positive electrode active material for use in a fluoride ion secondary battery. The positive electrode active material includes Cu particles and Bi particles. In an XRD spectrum measured using Cu-Kα rays, a first peak is present in a range where a diffraction angle 2θ is 26.2±0.15 degrees, a second peak is present in a range where the diffraction angle 2θ is 30.4±0.25 degrees, and a third peak is present in a range where the diffraction angle 2θ is 27.0±0.25 degrees.

ELECTRODE ASSEMBLY, BATTERY CELL, BATTERY, AND ELECTRICAL DEVICE

Resumen de: US2025246695A1

An electrode assembly, a battery cell, a battery, and an electrical device are disclosed. The electrode assembly includes: a positive electrode plate and a negative current collector. The positive electrode plate and the negative current collector are stacked along a first direction. At least one of the positive electrode plate or the negative current collector includes a substrate assembly. The substrate assembly includes a substrate layer and an elastic layer. The substrate layer and the corresponding elastic layer are stacked along the first direction.

VEHICLE BATTERY CELL VENTING MANAGEMENT

Resumen de: US2025246701A1

A traction battery venting management method includes initiating a venting mitigation action that is based in part on an estimated volume of gas within at least one battery cell within a traction battery pack. Initiating the venting mitigation action can occur before a venting of the at least one battery cell.

BATTERY MANAGEMENT SYSTEM AND RELATED DEVICE

Resumen de: US2025246697A1

A battery management system (BMS) and a related device. The BMS includes a first BMU and a second BMU. Inside the first BMU, a first BMIC is connected between a first-type input port and a first-type output port, and a second-type input port is connected to a second-type output port. Inside the second BMU, a second BMIC is connected between a second-type input port and a second-type output port, and a first-type input port is connected to a first-type output port. The first BMIC and the second BMIC support different communication protocols. Based on this, BMUs of different types of BMICs can be used together in a same battery management system, and system compatibility is better.

Verfahren, Recheneinheit und Computerprogramm zum Betreiben eines Temperiersystems

Resumen de: DE102024200807A1

Die Erfindung betrifft ein Verfahren (200) zum Betreiben eines Temperiersystems (100), das einen Kältemittelkreislauf (13) mit einem Kompressor (130) und zumindest einem ersten Wärmetauscher (142), der zum Übertragen von Wärme von einer ersten zu temperierenden Komponente (140) auf den Kältemittelkreislauf (13) eingerichtet ist und einem zweiten Wärmetauscher (112), der zum Übertragen von Wärme von einer zweiten zu temperierenden Komponente (110) auf den Kältemittelkreislauf (13) eingerichtet ist, wobei das Verfahren (200) ein Zuführen (240) eines ersten Massenstroms von Kältemittel zu dem ersten Wärmetauscher (142) gemäß einer ersten Temperaturvorgabe (232) bezüglich der ersten Komponente (140) und einer aktuellen Temperatur (220) der ersten Komponente (140), ein Empfangen (210) einer zweiten Temperaturvorgabe (234) bezüglich der ersten Komponente (140), während des Zuführens (240) des ersten Massenstroms, wobei die zweite Temperaturvorgabe (234) eine höhere (230) Zieltemperatur als die erste Temperaturvorgabe (232) enthält, ein Anpassen einer Verdichtungsleistung des Kompressors (130) auf Basis der zweiten Temperaturvorgabe (234), und ein Reduzieren oder Stoppen (250) des Zuführens des ersten Massenstroms zu dem ersten Wärmetauscher (142) und Erhöhen eines dem zweiten Wärmetauscher (112) zugeführten zweiten Massenstroms an Kältemittel, bis sich eine Temperatur des Kältemittels auf ein zum Erfüllen der zweiten Temperaturvorgabe erforderliches Ziel

STRUKTURELLE BAUGRUPPE FÜR EINE BATTERIESTRUKTUR

Resumen de: DE102025103064A1

Eine strukturelle Baugruppe beinhaltet eine erste Struktur, eine zweite Struktur und ein Isoliermaterial. Die erste Struktur definiert eine erste Tasche, die dazu konfiguriert ist, eine erste Batteriezelle aufzunehmen. Die erste Struktur beinhaltet eine erste Seitenwand und mindestens eine erste Rippe, die sich zwischen der ersten Batteriezelle und der ersten Seitenwand befindet, um einen ersten Spalt zwischen der ersten Batteriezelle und der ersten Seitenwand zu definieren. Die zweite Struktur definiert eine zweite Tasche, die dazu konfiguriert ist, eine zweite Batteriezelle aufzunehmen. Die zweite Struktur beinhaltet eine zweite Seitenwand und mindestens eine zweite Rippe, die sich zwischen der zweiten Batteriezelle und der zweiten Seitenwand befindet, um einen zweiten Spalt zwischen der zweiten Batteriezelle und der zweiten Seitenwand zu definieren. Das Isoliermaterial ist zwischen der ersten Seitenwand und der zweiten Seitenwand angeordnet und berührt diese.

HOCHLEISTUNGS-FESTSTOFFBATTERIEZELLE MIT SULFID-FESTELEKTROLYT UND SILICIUM-ANODENELEKTRODE

Resumen de: DE102024115288A1

Eine Feststoffbatteriezelle umfasst A Anodenelektroden mit jeweils einer Anodenaktivmaterialschicht, die auf einem Anodenstromkollektor angeordnet ist. Der Anodenstromkollektor weist eine aufgeraute Außenfläche auf, die Anodenaktivmaterialschicht umfasst Silicium, und die Außenfläche der Anodenaktivmaterialschicht weist eine Vielzahl konvexer Kugelformen auf. C Kathodenelektroden umfassen jeweils eine Kathodenaktivmaterialschicht, die auf einem Kathodenstromkollektor angeordnet ist. Die Kathodenaktivmaterialschicht umfasst Kathodenaktivmaterial sowie einen Sulfid-Festelektrolyten. Das Kathodenaktivmaterial ist ausgewählt aus einer Gruppe bestehend aus LiNixMnyCo1-x-yO2(wobei 0,95 > x ≥ 0,33; und y ≥ 0,05), LiNxAlyCo1-x-yO2(wobei 0,95 > x ≥ 0,33; und y ≥ 0,05), und LiNixMnyAlzCo1-x-y-zO2(wobei 0,95 > x ≥ 0,33; y ≥ 0,01; und Z ≥ 0,01). S Separatoren umfassen eine Sulfidmembran, wobei A, C und S ganze Zahlen größer als eins sind.

VERFAHREN UND SYSTEM ZUM HERSTELLEN VON BATTERIEKOMPONENTEN

Resumen de: DE102025102686A1

Ein Verfahren zum Herstellen von Batteriekomponenten beinhaltet Erwärmen mindestens einer Elektrolytschicht in einer Vorkompressionswärmekammer. Nach dem Erwärmen in der Vorkompressionswärmekammer komprimiert das Verfahren die mindestens eine Elektrolytschicht zusammen mit einer Elektrode, um eine mehrschichtige Struktur bereitzustellen. Nach dem Komprimieren erwärmt das Verfahren die mehrschichtige Struktur in einer Nachkompressionswärmekammer.

AUSGESTALTUNGEN VON BATTERIEBÄNKEN FÜR IMMERSIONSKÜHLUNGS- UND ENTLÜFTUNGSSYSTEME

Resumen de: DE102025102678A1

Es werden Immersionskühlungs- und Entlüftungssysteme zum Regeln der Wärmeenergieniveaus von Traktionsbatteriepacks bereitgestellt. Eine Batteriebank des Traktionsbatteriepacks kann dazu konfiguriert sein, fluidisch isolierte Kühlfluidströmungswege und Entlüftungsströmungsgaswege zu bilden. Ein Kühlfluid (z. B. ein Dielektrikum) kann durch die Kühlfluidströmungswege zur Immersionskühlung von Batteriezellen der Batteriebank kommuniziert werden. Die Entlüftungsströmungsgaswege können durch Batteriehalterungen und Batteriegestelle, welche die Batteriezellen von einer mittleren Kühlplatte der Batteriebank beabstanden, gebildet sein.

Verfahren zum Herstellen eines Gehäuses einer Batteriezelle, Gehäuse einer Batteriezelle, Batterie und Verwendung der Batterie

Resumen de: DE102024102121A1

Die Erfindung betrifft ein Verfahren zum Herstellen eines Gehäuses (1) einer Batteriezelle, ein Gehäuse (1) einer Batteriezelle, eine Batterie sowie deren Verwendung. Ein Blech mit zwei Blechkanten (9, 10) wird als Ausgangsmaterial bereitgestellt, eine Materialverjüngung wird als Sollbruchstelle (12) in das Blech eingebracht, und das Blech wird zu einem dreidimensionalen Körper so umgeformt, dass die zwei Blechkanten (9, 10) aneinander anliegen. Anschließend werden die beiden aneinander liegenden Blechkanten (9, 10) miteinander fest verbunden.

Energiespeichereinheit

Resumen de: DE102024102465A1

Die Erfindung betrifft eine Energiespeichereinheit (10) aufweisend: eine Akkueinheit (12), eine Isolationseinheit (14),wobei die Akkueinheit (12) dazu eingerichtet ist, elektrische Energie zu speichern, aufzunehmen und/oder abzugeben, wobei die Energiespeichereinheit (10) an einem Begrenzungselement (16) anordenbar ist, um die Akkueinheit (12) mit einer vorbestimmten Kraft zu beaufschlagen, wobei die Isolationseinheit (14) zwischen der Akkueinheit (12) und dem Begrenzungselement (16) angeordnet ist, wobei die Isolationseinheit (14) dazu eingerichtet ist, einen Wärmefluss zwischen der Akkueinheit (12) und dem Begrenzungselement (16) zu reduzieren.

Energiespeichervorrichtung

Resumen de: DE102024137167A1

Eine Energiespeichervorrichtung (100) umfasst: ein Energiespeichermodul (10), das eine Energiespeicherzelle (11) und einen Elektrodenanschluss (12) umfasst, der auf der Energiespeicherzelle (11) angeordnet ist; und einen Kühler (30), der die Energiespeicherzelle (11) kühlt. Der Elektrodenanschluss (12) ist an einer Endfläche (11a, 11b) der Energiespeicherzelle (11) in einer Y-Richtung angeordnet, die eine Z-Richtung schneidet. Der Kühler (30) umfasst einen oberen Abschnitt (31), der über dem Energiespeichermodul (10) angeordnet ist. Ferner umfasst der Kühler (30) einen vorstehenden Abschnitt (32), der von dem oberen Abschnitt (31) in Y-Richtung in einer Richtung vorsteht, in der der vorstehende Abschnitt (32) weiter von der Energiespeicherzelle (11) beabstandet ist als der Elektrodenanschluss (12).

WÄRMEREGELUNGSFLUIDLEITUNGSSYSTEM UND VERFAHREN ZUM LEITEN VON WÄRMEREGELUNGSFLUID FÜR TRAKTIONSBATTERIEPACKS

Resumen de: DE102025102677A1

Eine Traktionsbatteriepackbaugruppe beinhaltet ein Gehäuse, einen Zellenstapel innerhalb eines Innenraums des Gehäuses. Der Zellenstapel beinhaltet eine Vielzahl von Batteriezellen, die entlang einer Zellenstapelachse angeordnet ist. Jede der Batteriezellen weist eine Entlüftungsöffnung auf. Eine Vielzahl von Abstandshaltern stützt den Zellenstapel innerhalb des Gehäuses ab. Die Vielzahl von Abstandshaltern ist dazu konfiguriert, ein Flüssigkühlmittel eines Immersionswärmeregelungssystems innerhalb des Innenraums zu leiten. Die Vielzahl von Abstandshaltern ist entlang der Zellenstapelachse an Positionen angeordnet, die axial zu den Entlüftungsöffnungen verschoben sind.

Verfahren zum Betreiben eines Batterie-Energiespeichersystems

Resumen de: DE102024200656A1

Verfahren zum Betreiben eines Batterie-Energiespeichersystems, wobei das Batterie-Energiespeichersystem aus mehreren Batteriemodulen ausgebildet wird, wobei in einer ersten Betriebsphase das Batterie-Energiespeichersystem dazu verwendet wird, Energie abzugeben und nach einer Energieabgabe wieder geladen zu werden, wobei die erste Betriebsphase beendet wird, sobald ein EoL-Kriterium erreicht ist, wobei das Batterie-Energiespeichersystem nach der ersten Betriebsphase eine Restenergie aufweist, wobei in einer zweiten Betriebsphase die in dem Batterie-Energiespeichersystem vorhandene Restenergie dazu verwendet wird, Energie abzugeben, wobei die Energieabgabe wie in der ersten Betriebsphase erfolgt.

Kühlsystem für batterieelektrisch betriebene Fahrzeuge

Resumen de: DE102024102457A1

Die Erfindung betrifft ein Kühlsystem (10), insbesondere ein Hochvolt-Batterie-Kühlsystem für ein Nutzfahrzeug, das eine Batterieeinheit (5'), ein OnBoard-Ladegerät (14) zum Laden der Batterieeinheit (5') mit extern zugeführter elektrischer Energie und eine durch die elektrische Energie der Batterieeinheit (5') angetriebene elektrische Antriebseinheit (5) umfasst, wobei das Kühlsystem einen primären Kühlkreislauf (2) eines Kühlmittels zum Kühlen der elektrischen Antriebseinheit (5) und des OnBoard-Ladegeräts (14) und einen sekundären Kühlkreislauf (4) des Kühlmittels zum Kühlen der Batterieeinheit (5') aufweist, wobei der primäre Kühlkreislauf (2) eine erste Kreislaufpumpenanordnung (7), einen Wärmeübertrager (17) und einen Lüfter (18) umfasst, wobei der sekundäre Kühlkreislauf (4) eine zweite Kreislaufpumpenanordnung (7'), wenigstens einen Wärmeübertrager (16) und eine Kälteanlage (19) umfasst. Erfindungsgemäß ist vorgesehen, dass das Kühlsystem mehrere schaltbare Mehrwegeventile (21, 22, 23, 24) zum Regulieren des Kühlmitteldurchflusses in den Kühlkreisläufen (2, 4) umfasst, wobei die Kühlkreisläufe (2, 4) über die Mehrwegeventile (21, 22, 23, 24) derart miteinander verbindbar oder voneinander trennbar sind, dass sie zur Kühlung der elektrischen Antriebseinheit (5) und der Batterieeinheit (5') wahlweise unabhängig voneinander und isoliert oder kombiniert in Verbindung betrieben werden können.

WÄRMEVERWALTUNGSSYSTEME ZUM VERWALTEN VON KONVEKTIVER ALS AUCH LEITENDER WÄRMEÜBERTRAGUNG IN TRAKTIONSBATTERIEPACKS

Resumen de: DE102025102679A1

Es sind Wärmeverwaltungssysteme zum Verwalten von Wärmeenergie in einem Traktionsbatteriepack bereitgestellt. Ein beispielhaftes Wärmeverwaltungssystem kann eine Kombination aus Tauchkühlen zum Begrenzen der konvektiven Wärmeübertragung und Wärmebarrieren zum Begrenzen der leitenden Wärmeübertragung über einen oder mehrere Zellstapel des Traktionsbatteriepacks nutzen. Das Tauchkühlen kann ein Kantenkühlschema bereitstellen, in dem ein Kühlmittel über Nebenseitenflächen (z. B. oben, unten und Enden) von Batteriezellen des Zellstapels geleitet wird, jedoch Hauptseitenflächen (z. B. Stirnflächen) der Batteriezellen nicht berührt. Die Wärmebarrieren können eine einzelne Schicht oder mehrere Schichten aus einem oder mehreren wärmebeständigen Materialien (z. B. Glimmer, Aerogel usw.) beinhalten.

Verfahren zur Herstellung von Batteriezellen für elektrische Energiespeicher sowie Herstellungsvorrichtung

Resumen de: DE102024102739A1

Die Erfindung betrifft ein Verfahren zur Herstellung von Batteriezellen mit korrespondierenden Batterieelektroden für elektrische Energiespeicher mittels einer Herstellungsvorrichtung (10), bei welchem ein Stapelprozess mittels einer Stapeleinrichtung gefolgt von einem Pressprozess mittels einer Presseinrichtung durchgeführt wird, mit den Schritten:- Stapeln korrespondierender Elektrodenmaterialien zu einem Elektrodenstapel (12);- Platzieren des resultierenden Elektrodenstapels (12) auf einer Grundplatte (14) mittels jeweiliger Niederhalter (16) der Stapeleinrichtung;- Fixieren einer Fixierplatte (18) an einer zur Grundplatte (14) gegenüberliegenden Seite (12a) des Elektrodenstapels (12) mittels lösbarer Fixierelemente (20);- Platzieren der Grundplatte (14), des Elektrodenstapels (12) und des Fixierplatte (18) von der Stapeleinrichtung zur Presseinrichtung;- Pressen des Elektrodenstapels (12) unter einem vorgegebenen Druck; und- Lösen der Fixierplatte (18) durch Entfernen der lösbaren Fixierelemente (20). Ferner betrifft die Erfindung eine solche Herstellungsvorrichtung (10).

Elektrischer Energiespeicher

Resumen de: DE102025120872A1

Die Erfindung betrifft einen elektrischen Energiespeicher für ein Fahrzeug mit einer Mehrzahl mittels einer Zellkontaktiereinheit (3) elektrisch verschalteter Einzelzellen (1), wobei die Zellkontaktiereinheit (3) eine integrierte von einem elektrisch nichtleitenden Temperierfluid (5) durchströmbare Kanalstruktur (K) zur Temperierung zumindest vorgegebener Zellabschnitte aufweist. Erfindungsgemäß ist vorgesehen, dass die Zellkontaktiereinheit (3) einteilig und vollständig elektrisch leitend ausgebildet ist.

Verfahren zum Betreiben eines Hochvoltbatteriesystems

Resumen de: DE102024102572A1

Verfahren zum Betreiben eines Hochvoltbatteriesystems (2) mit einer Hochvoltbatterie (2a) und einer Kühleinheit (4) zur Kühlung der Hochvoltbatterie (2a), für den Einsatz in einem Kraftfahrzeug, umfassend die Schritte eines Erfassens (100) von Daten zur Bestimmung einer Leckage innerhalb der Kühleinheit (4) mittels einer Sensoreinheit (20), eines Bestimmens (200) der Leckage innerhalb der Kühleinheit (4) mittels einer Verarbeitungseinheit (22) auf Basis der erfassten Daten sowie eines zielgerichteten Abschaltens (300) des Hochvoltbatteriesystems (2) auf Basis der bestimmten Leckage mittels einer Steuereinheit (24), wobei das zielgerichtete Abschalten (300) ein Überführen von Kühlfluid in ein Ausgleichsreservoir (12) mittels eines Fluidfördermittels (6) umfasst.

Vorrichtung für ein Batteriegehäuse

Resumen de: DE102024200823A1

Die Erfindung betrifft eine Vorrichtung für ein Batteriegehäuse (1), umfassend ein Klimagerät, wobei das Klimagerät in einem Gehäuse (13) angeordnet ist, wobei das Klimagerät einen ersten Lüfter (4) aufweist, der zum Einsaugen von Umgebungsluft (3) über eine Zuströmung (2) in das Gehäuse (13) ausgebildet ist, wobei die Vorrichtung derart ausgebildet ist, dass die Umgebungsluft (3) mittels des ersten Lüfters (4) durch einen ersten Wärmetauscher (5) strömt und anschließend über eine Ausströmung (6) aus dem Gehäuse (13) heraus, ferner umfassend einen zweiten Lüfter (7), der zum Beströmen einer aufgewärmten Innenluft (8) zu einem zweiten Wärmetauscher (9) des Klimagerätes ausgebildet ist, wobei eine Umschalteinrichtung (12) vorgesehen ist, die derart ausgebildet ist, dass die Umgebungsluft (3) von der Innenluft (8) getrennt ist, wobei die Umschalteinrichtung (12) ferner derart ausgebildet ist, dass in einem Störfall die Innenluft (8) mit der Ausströmung (6) derart verbunden ist, dass die Innenluft (8) aus dem Batteriegehäuse (1) rausströmt.

Zelltrennelement, Batteriemodul, Batterie für ein Kraftfahrzeug und Verfahren zum Herstellen eines Zelltrennelements mit verbesserten Brandschutz- und Anpassungseigenschaften

Resumen de: DE102024102803A1

Die Erfindung betrifft ein Zelltrennelement (42, 42') zur Anordnung zwischen zwei Batteriezellen (14) eines Batteriemoduls (12), wobei das Zelltrennelement (42, 42') mindestens eine elastisch komprimierbare Schaumschicht (46) umfasst, die ein polymeres Material umfasst, wobei das Zelltrennelement (42, 42') zwei sich bezüglich einer ersten Richtung (x) gegenüberliegende Außenseiten (50) aufweist, deren Abstand in der ersten Richtung (x) eine Dicke (D0,D0', D1, D1') des Zelltrennelements (42, 42') definiert, und wobei das Zelltrennelement (42, 42') einen ersten Randbereich (42a) aufweist, der das Zelltrennelement (42, 42') bezüglich einer zweiten Richtung (z) begrenzt. Dabei ist die Dicke (D0,D0', D1, D1') des Zelltrennelements (42, 42') im ersten Randbereich (42a) größer als in einem zentralen Bereich (42b) des Zelltrennelements (42, 42').

Batteriesystem

Resumen de: DE102024102813A1

Die Erfindung betrifft ein Batteriesystem mit einer Mehrzahl von Batteriezellen (11) und einer ersten Leiterplatte (12), wobei- auf der ersten Leiterplatte (12) eine Anzahl von ferromagnetischen Elementen (14) angeordnet ist und- zwischen einer Anzahl von Batteriezellen (11) und einem ferromagnetischen Element (14) ein Magnet (15) so angeordnet ist, dass- seine Magnetkraft (15) die jeweilige Batteriezelle (11) zumindest in einer Richtung zur ersten Leiterplatte (12) hin an der ersten Leiterplatte (12) hält und dass- der Magnet (15) eine elektrisch leitende Verbindung zwischen einem Pol den jeweiligen Batteriezellen (11) und der ersten Leiterplatte (12) herstellt.Des Weiteren umfasst die Erfindung eine Steuereinheit (30) und ein Kontrollverfahren.

Kraftfahrzeug

Resumen de: DE102024102389A1

Die vorliegende Erfindung betrifft ein Kraftfahrzeug (1) mit einer eine Antriebskomponente (3) aufweisenden Antriebseinrichtung (2) sowie mit einem Kühlkreis (10) zum Kühlen der Antriebskomponente (3), der einen Kühlmittelkühler (11) zum Kühlen eines durch den Kühlkreis (10) zirkulierenden Kühlmittels aufweist.Der Kühlmittelkühler (11) ist mittels Verdunstung einer Flüssigkeit (26) gekühlt, die in einem Behälter (14) gespeichert ist und zumindest teilweise aus einem im Betrieb durch das Kraftfahrzeug (1) strömenden Gasmassenstrom gewonnen wird. Im Behälter (14) ist ein Gasauslass (25) eines Auslassrohrs (21) zum Ausströmen des in den Behälter (14) strömenden Gasmassenstroms aus dem Behälter (14) angeordnet. Das Auslassrohr (21) dient zudem dem Abführen überschüssiger Flüssigkeit (26) aus dem Behälter (14) und weist zu diesem Zweck zumindest einen im Behälter (14) angeordneten Überlaufeinlass (33) auf.

Stromspeichermodul und Stromspeichervorrichtung

Resumen de: DE102024136991A1

Ein Stromspeichermodul (20) umfasst einen ersten Stapel (21) und einen zweiten Stapel (22), die abwechselnd nebeneinander in einer ersten Richtung angeordnet sind, wobei der erste Stapel (21) eine Vielzahl von ersten Einheitszellen (211) umfasst, die in der ersten Richtung angeordnet sind, und der zweite Stapel (22) eine Vielzahl von zweiten Einheitszellen (212) umfasst, die in einer Höhenrichtung orthogonal zur ersten Richtung angeordnet sind

PRISMATISCHE SEKUNDÄRE LITHIUM-IONEN-AKKUMULATORZELLE

Resumen de: DE102024106736A1

Ein elektrisches System umfasst ein Akkupack mit einer Akkumulatorzelle. Die Akkumulatorzelle umfasst ein Gehäuse mit wenigstens einer Seite, das eine Kammer bildet, eine in der Kammer angeordnete Elektrodenanordnung und eine in der Kammer zwischen der Elektrodenanordnung und der wenigstens einen Seite des Gehäuses angeordnete Isolieranordnung. Die Isolieranordnung umfasst ein wärmeabsorbierendes Material, das von einer Kunststoffabdeckung umschlossen ist. In dem wärmeabsorbierenden Material ist eine nicht entflammbare Flüssigkeit gelagert. Die Kunststoffabdeckung ist dazu ausgelegt, zu schrumpfen, wenn eine Temperatur der Kunststoffabdeckung über einer Schwellentemperatur liegt, wodurch die nicht entflammbare Flüssigkeit aus dem wärmeabsorbierenden Material in die Kammer freigesetzt wird, um einen Wärmefluss von außerhalb des Gehäuses zur Elektrodenanordnung zu reduzieren.

BATTERIEGEHÄUSEKÖRPER UND BATTERIEPACK

Resumen de: DE102025102740A1

Ein Batteriegehäusekörper gemäß einer Ausführungsform umfasst ein Gehäuse, das zum Aufnehmen einer Mehrzahl von Batteriezellen imstande ist, wobei Paar von Zellenanschlüssen einer Montageoberfläche zugewandt ist, und eine erste Verbindungssammelschiene mit einem ersten Erstreckungsabschnitt, der sich in einer Erstreckungsrichtung entlang der Montageoberfläche erstreckt, einer ersten Feder, die, an einer ersten Seite in der Erstreckungsrichtung des ersten Erstreckungsabschnitts, mit dem ersten Erstreckungsabschnitt kontinuierlich verbunden ist, und einer zweiten Feder, die, an einer zweiten Seite in der Erstreckungsrichtung des ersten Erstreckungsabschnitts, mit dem ersten Erstreckungsabschnitt kontinuierlich verbunden ist, bei welchem die Mehrzahl von Batteriezellen eine erste Batteriezelle und eine zweite Batteriezelle umfasst, die erste Feder mit einem Zellenanschluss auf einer ersten Seite in einer Trennrichtung von einem Paar von Zellenanschlüssen der ersten Batteriezelle verbindbar ist, und die zweite Feder mit einem Zellenanschluss auf einer ersten Seite in der Trennrichtung von einem Paar von Zellenanschlüssen der zweiten Batteriezelle verbindbar ist.

WÄRMEBARRIEREBAUGRUPPE FÜR EINEN TRAKTIONSBATTERIEPACK

Resumen de: DE102025102683A1

Eine Wärmebarrierebaugruppe für einen Traktionsbatteriepack beinhaltet einen Rahmen, der sich längs entlang einer Achse erstreckt, und ein ausdehnbares Element, das an dem Rahmen gesichert ist. Das ausdehnbare Element ist dazu konfiguriert, sich als Reaktion auf ein Batteriezellenentlüftungsereignis an einer Struktur auszudehnen, um Entlüftungsnebenprodukte daran zu hindern, durch einen Spalt zwischen der Struktur und dem Rahmen zu strömen.

Dichtvorrichtung für ein Sicherheitsventil

Resumen de: DE102024200906A1

Die Erfindung betrifft eine Dichtvorrichtung (1) zur Verwendung mit einem Sicherheitsventil (2), wobei die Dichtvorrichtung (1) wenigstens einen manuell handhabbaren Betätigungsmechanismus (3) aufweist. Hierbei ist die Dichtvorrichtung (1) zumindest in einer Verbundlage von Dichtvorrichtung (1) und Sicherheitsventil (2) durch Handhaben des Betätigungsmechanismus (3) zwischen einem Entkopplungszustand und einem Kopplungszustand überführbar, wobei ein jeweiliger Ausgang (4) des Sicherheitsventils (2) in dem Kopplungszustand über die Dichtvorrichtung (1) abdichtbar ist und/oder abgedichtet wird.

Zylindrische Batteriezelle und Verfahren zur Herstellung dieser

Resumen de: DE102024102377A1

Die Erfindung betrifft ein zur Herstellung einer zylindrischen Batteriezelle. Das Verfahren weist die Schritte des a) Bereitstellens (100) eines zylindrischen Batteriezellenrohlings (11) mit einer Außenwandung, welche Stahl aufweist; b) Aufbringens (300) eines Primers (19) auf zumindest Teilen der Außenwandung; c) Verschließens (400) des Batteriezellenrohlings (11) mittels Laser-Schweißen oder Crimp-Verschluss; und d) Befüllens (500) des Batteriezellenrohlings (11) mit einem Elektrolyten (18) auf. Ferner betrifft die Erfindung eine zylindrische Batteriezelle (10), ein Batteriepack (20) aufweisend eine Mehrzahl an zylindrischen Batteriezellen (10) und ein Verfahren zur Herstellung dessen, sowie ein Kraftfahrzeug (30) aufweisend zumindest ein Batteriepack (20).

Batteriepack

Resumen de: DE102024136959A1

Bereitstellung eines Batteriepacks, der ein Batteriemodul in einem Gehäuse ordnungsgemäß sichern kann.LösungEin Batteriepack umfasst: ein Gehäuse; eine Vielzahl von gestapelten und im Gehäuse untergebrachten Batteriemodulen; ein Dichtungsmaterial aus Harz, das an einer Außenseite von Endabschnitten der Batteriemodule angeordnet ist; stromführende Platten, die gestapelt und zwischen den Batteriemodulen so angeordnet sind, dass Endabschnitte der stromführenden Platten innerhalb der Endabschnitte der Batteriemodule positioniert sind und eine elektrische Verbindung zwischen den Batteriemodulen herstellen; Kühlelemente, die gestapelt und zwischen den Batteriemodulen so angeordnet sind, dass Endabschnitte der Kühlelemente innerhalb der Endabschnitte der Batteriemodule positioniert sind und die Batteriemodule kühlen; und ein Füllmaterial, das in das Gehäuse gefüllt ist, um das Batteriemodul, die stromführende Platte und die Kühlelemente untereinander und im Gehäuse zu fixieren.

Verfahren zum temperaturabhängigen Anpassen eines Ladestroms für einen Ladevorgang eines elektrochemischen Energiespeichers

Resumen de: DE102024200835A1

Verfahren zum temperaturabhängigen Anpassen eines Ladestroms für einen Ladevorgang mindestens eines elektrochemischen Energiespeichers eines elektrisch antreibbaren Fahrzeugs.

WÄRMEUNTERDRÜCKUNGSSYSTEME ZUR VERWENDUNG IN TRAKTIONSBATTERIEPACKS

Resumen de: DE102025102681A1

Wärmeunterdrückungssysteme werden zur Verwendung in Traktionsbatteriepacks bereitgestellt. Ein beispielhaftes Wärmeunterdrückungssystem kann einen oder mehrere Wärmeunterdrückungsbehälter beinhalten, die dazu konfiguriert sind, ein Wärmeunterdrückungsmittel freizusetzen, wenn eine Temperatur in der Nähe des Wärmeunterdrückungsbehälters einen vordefinierten Temperaturschwellenwert überschreitet. Das Wärmeunterdrückungsmittel kann Partikel erfassen oder einfangen, die Batterieentlüftungsnebenprodukten zugeordnet sind, wodurch die Übertragung von Wärmeenergie auf nahegelegene Strukturen verwaltet oder sogar verhindert wird.

Verfahren zum Herstellen von voraktivierten Lithiumübergangsmetalloxiden für Akkumulatoren, die Lithiumionen zyklisieren

Resumen de: DE102024110213A1

Bei einem Verfahren zum Herstellen eines voraktivierten Lithiumübergangsmetalloxids (LiTMO) für einen Akkumulator, der Lithiumionen zyklisiert, wird das LiTMO in einen Elektrolyten eingetaucht, der in einem Reaktor angeordnet ist, der eine Arbeitselektrode und eine Gegenelektrode umfasst, die über den Elektrolyten in ionischer Verbindung stehen. Das LiTMO wird einem elektrochemischen Delithiierungs- und Relithiierungszyklus unterzogen, der einen elektrochemischen Delithiierungsschritt, gefolgt von einem elektrochemischen Relithiierungsschritt, umfasst. Im elektrochemischen Delithiierungsschritt wird ein elektrischer Strom auf eine solche Weise an die Arbeitselektrode angelegt, dass das LiTMO oxidiert wird, Lithiumionen aus dem LiTMO freigesetzt werden, um ein delithiiertes LiTMO zu bilden, und die aus dem LiTMO freigesetzten Lithiumionen sich im Elektrolyten lösen. Bei der elektrochemischen Relithiierung wird ein elektrischer Strom auf eine solche Weise an die Gegenelektrode angelegt, dass das LiTMO reduziert wird und die im Elektrolyten gelösten Lithiumionen in das LiTMO eingelagert werden, um ein relithiiertes LiTMO zu bilden.

Batteriesystem und Kraftfahrzeug

Resumen de: DE102024106685A1

Die vorliegende Erfindung betrifft ein Batteriesystem (10-1; 10-2) umfassend: eine Batterievorrichtung (1) mit einem Kühlmitteleinlass (1.3), einem Kühlmittelauslass (1.4), einem Kühlmittelraum (1.2), der derart mit dem Kühlmitteleinlass (1.3) und dem Kühlmittelauslass (1.4) verbunden ist, dass ein Kühlmittel (K1, K2-1; K2-2) von dem Kühlmitteleinlass (1.3) durch den Kühlmittelraum (1.2) zu dem Kühlmittelauslass (1.4) strömen kann, und mindestens einer Batteriezelle (1.5), die zumindest teilweise innerhalb des Kühlmittelraums (1.2) angeordnet ist, und ein Kühlmittelbereitstellungssystem (2), das mit dem Kühlmitteleinlass (1.3) verbunden ist, und das eingerichtet ist, ein Kühlmittel (K1, K2-1; K2-2) an den Kühlmitteleinlass (1.3) bereitzustellen, wobei das Kühlmittelbereitstellungssystem (2) eingerichtet ist, wahlweise entweder ein gasförmiges Kühlmittel (K1) oder ein flüssiges Kühlmittel (K2-1) beziehungsweise entweder ein gasförmiges Kühlmittel (K1) oder ein weiteres gasförmiges Kühlmittel (K2-2) an den Kühlmitteleinlass (1.3) bereitzustellen. Die vorliegende Erfindung betrifft ferner ein Kraftfahrzeug (100-1; 100-2) mit einem derartigen Batteriesystem (10-1; 10-2).

Schaumbefüllungsvorrichtung zum Ausschäumen eines Speichergehäuses für einen elektrischen Energiespeicher, Verfahren sowie Speichergehäuse

Resumen de: DE102024102677A1

Die Erfindung betrifft eine Schaumbefüllungsvorrichtung (1) zum Ausschäumen eines Speichergehäuses (2) für einen elektrischen Energiespeicher (3), mit wenigstens einem ersten Befüllungselement (13), welches wenigstens eine erste Austrittsöffnung (15) zum Befüllen eines sich innerhalb des Speichergehäuses (2) erstreckenden ersten Hohlraums (10) mit Schaum (4) aufweist, und mit wenigstens einem zweiten Befüllungselement (14), welches wenigstens eine von der ersten Austrittsöffnung (15) beabstandete, zweite Austrittsöffnung (16) zum Befüllen eines sich innerhalb des Speichergehäuses (2) erstreckenden und von dem ersten Hohlraum (10) unterschiedlichen, zweiten Hohlraums (11) mit dem Schaum (4) aufweist.

Zellgehäuse, Batteriezelle, Batteriemodul und Batterie

Resumen de: DE102024000259A1

Die Erfindung betrifft ein Zellgehäuse (1), ausbildendend einen Aufnahmeraum (2) für eine galvanische Zelle (3), wobei das Zellgehäuse (1) in wenigstens einer Querschnittsebene die Querschnittsform eines regelmäßigen Polygons aufweist. Das erfindungsgemäße Zellgehäuse ist dadurch gekennzeichnet, dass der Aufnahmeraum (2) durch einen Hohlzylinder (1.1) ausgebildet ist, wobei der Hohlzylinder (1.1) in Richtung seiner Mittelachse (A) betrachtet an wenigstens zwei Axialpositionen mit jeweils einem Prisma (1.2) versehen ist, wobei sämtliche Prismen (1.2) die Querschnittsform des regelmäßigen Polygons aufweisen, und wobei die Summe der Höhen (h) aller Prismen (1.2) geringer ist als die Höhe (H) des Hohlzylinders (1.1).

Festkörperbatterie

Resumen de: DE102024000261A1

Die Erfindung betrifft eine Festkörperbatterie (1) mit zumindest einem kathodenseitigen Stromsammler (2), einer Kathodenschicht (3), einer Separatorschicht (4) und einem anodenseitigen Stromsammler (6). Die erfindungsgemäße Festkörperbatterie ist dadurch gekennzeichnet, dass zwischen der Kathodenschicht (3) und dem kathodenseitigen Stromsammler (2) eine Sicherheitsschicht (7) angeordnet ist, welche Kohlenstoff und wenigstens ein thermisch sensitives Salz aufweist, welches sich bei Temperaturen in der Größenordnung von 100° bis 180° C zersetzt.

POSITIVE ELECTRODE ACTIVE MATERIAL POWDER AND LITHIUM SECONDARY BATTERY

Resumen de: US2025246620A1

A positive electrode active material powder includes particles (A) composed of a positive electrode active material. The particles (A) include primary particles (A1) and secondary particles (A2) formed by sintering together primary particles (A1). In a scanning micrograph of a field of view in which 50 or more of the particles (A) are contained, the ratio of coarse secondary particles is 45 number % or less with respect to the total number of the particles (A) in the field of view. The coarse secondary particles are, among the secondary particles (A2), secondary particles (A2) formed by sintering together five or more of the primary particles (A1). The ratio of microparticles is 1.5 number % or less with respect to the total number of the particles (A) in the field of view. The microparticles are, among the particles (A), particles (A) having a circle-equivalent diameter of 0.8 μm or less.

HIGH-POWER ALL-SOLID-STATE BATTERY CELL WITH SULFIDE SOLID ELECTROLYTE AND SILICON ANODE ELECTRODE

Resumen de: US2025246759A1

An all-solid-state battery cell includes A anode electrodes each including an anode active material layer arranged on an anode current collector. The anode current collector comprises a roughened outer surface, the anode active material layer comprises silicon, and the outer surface of the anode active material layer includes a plurality of convex spherical shapes. C cathode electrodes each including a cathode active material layer arranged on a cathode current collector. The cathode active material layer includes cathode active material and a sulfide solid electrolyte. The cathode active material is selected from a group consisting of LiNixMnyCo1-x-yO2 (where 0.95>x≥0.33; and y≥0.05), LiNxAlyCo1-x-yO2 (where 0.95>x≥0.33; and y≥0.05), and LiNixMnyAlZCo1-x-y-ZO2 (where 0.95>x≥0.33; y≥0.01; and Z≥0.01). S separators include a sulfide membrane, where A, C and S are integers greater than one.

SECONDARY BATTERY ELECTROLYTE SOLUTION, SECONDARY BATTERY, BATTERY MODULE, BATTERY PACK, AND ELECTRICAL DEVICE

Resumen de: US2025246681A1

An electrolyte solution includes an electrolyte salt, a solvent, and a polyether. A secondary battery includes the electrolyte solution. A method for preparing a secondary battery electrolyte solution includes adding an additive and a cyclic ether compound into a composition containing an electrolyte salt and a solvent, and performing in-situ polymerization for at least 24 hours to obtain the secondary battery electrolyte solution. The additive is a Lewis acid or a Lewis acid precursor.

AGING SYSTEM

Resumen de: US2025246596A1

An aging system for aging a plurality of cells includes a plurality of chambers comprising multiple levels, each of the levels housing a cell; and a crane unit provided adjacent to the chamber, for transporting and delivering cells to each level of the chamber; and the crane unit includes: an upper frame; a lower frame; a pair of masts connecting the upper and lower frames; and a lifting unit coupled to the pair of masts so as to be lifted up and down by being guided by the pair of masts. The crane unit further includes at least one air conditioning fan that blows wind to circulate air so that the temperature distribution of each cell housed in the chamber is uniform.

METHOD AND APPARATUS FOR INSPECTING DRY ELECTRODE

Resumen de: US2025246595A1

An apparatus for inspecting a dry electrode, the apparatus including: a feeder to feed a dry electrode film corresponding to a freestanding film; a resistance sensor to contactlessly measure an electrical resistance value of the dry electrode film fed by the feeder; and a trimmer to remove an edge portion having a width from a widthwise end portion of the dry electrode film.

MODIFICATION OF LITHIUM ION ELECTRODE MATERIALS VIA ATOMIC LAYER DEPOSITION TECHNIQUES

Resumen de: US2025246594A1

A method for coating of lithium ion electrode materials via atomic layer deposition. The coated materials may be integrated in part as a dopant in the electrode itself via heat treatment forming a doped lithium electrode.

SOLAR CELL ASSEMBLY AND PREPARATION METHOD THEREOF, BATTERY, AND PREPARATION TOOLING

Resumen de: US2025248137A1

A solar cell assembly preparation method. In the process of preparing a conductive layer, several conductive layers separated by a first trench are formed on the substrate. After the conductive layers are formed, the separating function of second separating members and the separating function of third separating members are respectively utilized to ensure that the functional layer groups formed on one side of the conductive layers are separated by and located on two sides of an entirety formed by the second separating members and the third separating members.

VOLTAGE DATA CAPTURE CIRCUITS AND TECHNIQUES

Resumen de: US2025244391A1

Voltage data capture circuits and techniques. In one example, a circuit includes a differential transconductance stage, a differential transimpedance stage, and an analog to digital converter (ADC). The differential transconductance stage is configured to convert a differential input voltage into a differential current, and the differential transimpedance stage is configured to convert the differential current into a differential output voltage. The ADC is configured to sample the differential output voltage to produce a digital output signal. The circuit may further include a common-mode voltage regulator configured to regulate a common-mode input voltage for the differential transimpedance stage. The circuit can be used, for instance, in a battery monitoring system, or other voltage monitoring application.

THREE-DIMENSIONAL SHOCK DETECTION USING KNOCK SENSOR AND TUNING FORK

Resumen de: US2025244355A1

A shock detection system for the battery pack of an electric vehicle, where the shock detection system uses at least one passive sensor, such as a knock sensor, for vibration detection. This sensor has large design freedom on the battery pack, either inside or outside, and is connected to the system for data treatment and data analysis. In addition to the knock sensor, the shock detection system also includes tuning forks located on the battery pack, where each tuning fork has a specific resonance frequency. During operation, when there is a shock or impact to the battery pack, each tuning fork resonates at a specific frequency, and the passive knock sensor detects these frequencies. The knock sensor then sends these frequency spectrums to the ECU of the electric vehicle, the ECU then determines the amplitude of the different frequencies and calculates the intensity and position of the impact using triangulation.

APPARATUS AND METHOD FOR DIAGNOSING BATTERY

Resumen de: US2025244402A1

An apparatus for diagnosing a battery includes a profile obtaining unit configured to obtain a battery profile representing a corresponding relationship between voltage and capacity of a battery; a profile adjusting unit configured to adjust a preset reference positive electrode profile and a reference negative electrode profile to correspond to the battery profile to generate an adjustment positive electrode profile and an adjustment negative electrode profile; and a control unit configured to extract a diagnostic factor for the battery from at least one of the adjustment positive electrode profile and the adjustment negative electrode profile and diagnose a state of the battery based on the extracted diagnostic factor.

SYSTEM AND METHOD FOR BATTERY SELECTION

Resumen de: US2025244405A1

Disclosed is a vehicle comprising a vehicle system having a system having a number of loads defining a load profile; a validated battery comprising one or more batteries which can fulfill the load profile; an integrated battery selected from the validated battery, the integrated battery selected for longevity relative to other batteries; wherein the validated battery is provided within the vehicle. Further disclosed is a battery longevity predictor comprising a plurality of battery factors; a plurality of electrical load factors; a plurality of cycling or crank data; an output; wherein the output comprises a battery longevity predictor based on the plurality of battery factors, plurality of vehicle loads, and the plurality of cycling or crank data.

BATTERY PARTS HAVING SOLVENTLESS ACID BARRIERS AND ASSOCIATED SYSTEMS AND METHODS

Resumen de: US2025246781A1

Battery parts, such as battery terminals, and associated systems and methods for making the same are disclosed herein. In some embodiments, a battery part includes a body having a base portion and a lug portion extending from the base portion. The battery part can further include a light-curable sealing material at least partially covering an exterior surface of the base portion. The sealing material is configured to seal an interface between the battery part and the material of a battery container when the base portion is embedded in the battery container material.

DOPED AND COATED NICKEL-RICH CATHODE ACTIVE MATERIALS AND METHODS THEREOF

Resumen de: US2025246618A1

Doped and coated nickel-rich cathode active materials, and methods of manufacture, are described. The doped and coated nickel-rich cathode active materials enable energy storage devices with improved performances, including but not limited to improved energy densities and capacity retention.

ANODE CURRENT COLLECTOR, ANODE, AND LITHIUM-METAL SECONDARY BATTERY

Resumen de: US2025246637A1

An anode current collector includes a resin and a fibrous conductive filler, in which an aspect ratio of the fibrous conductive filler is 20 or more, a content of the resin in the anode current collector is 60% by mass or more and less than 90% by mass, and a content of the fibrous conductive filler in the anode current collector is more than 10% by mass and 40% by mass or less.

ELECTRODE ASSEMBLY OF RECHARGEABLE BATTERY

Resumen de: US2025246784A1

An electrode assembly of a rechargeable battery includes an electrode plate of a positive electrode and a negative electrode on both surfaces of a separator. The electrode plate may include an electrode substrate, a first active material layer on a first surface of the electrode substrate, a second active material layer on a second surface of the electrode substrate, a first lamination tape and a second lamination tape attached to the first active material layer, an end portion of the electrode substrate, and the second active material. The first lamination tape forms a first attachment portion, the second lamination tape forms a second attachment portion, and an end of the first attachment portion on the first active material layer and an end of the second attachment portion on the second active material layer are spaced apart from each other in a winding direction.

PRESSURE RELIEF COMPONENT, BATTERY CELL, BATTERY, AND ELECTRICAL DEVICE

Resumen de: US2025246751A1

Provided are a pressure relief component, a battery cell, a battery, and an electrical device. The pressure relief component is configured for a battery cell. The pressure relief component includes a nick groove. At least two protrusions are arranged within the region enclosed by the nick groove, wherein the protrusions protrude from one side of the pressure relief component in a thickness direction, and the protrusions are recessed on the other side of the pressure relief component in the thickness direction.

BATTERY SYSTEMS AND METHODS OF ASSEMBLING BATTERY SYSTEMS

Resumen de: US2025246736A1

A battery system and a method of assembling a battery system are provided. The battery system includes at least one battery and a battery box, the battery box includes a box body assembly and a battery bracket, the battery box is provided with a plurality of battery slot positions for accommodating the at least one battery, each of the plurality of battery slot positions includes a first battery slot position and a second battery slot position, the first battery slot position and the second battery slot position are disposed oppositely, the first battery slot position is disposed in the battery bracket, the second battery slot position is disposed in the box body assembly, the box body assembly and the battery bracket clamp the at least one battery.

BATTERY PACK FOR SUPPLYING POWER TO ELECTRONIC DEVICE

Resumen de: AU2024402131A1

An energy storage apparatus, specifically a battery pack (100) for supplying power to an electronic device. The battery pack comprises a housing assembly (10), a battery cell module (20), at least one temperature detection apparatus (26), and a detection support (28). The housing assembly (10) is mounted to the electronic device and is supported by the electronic device. The battery cell module (20) comprises multiple battery cells (21) and a battery cell support (22) supporting the multiple battery cells (21), and the battery cell module (20) is disposed in the housing assembly (10). Multiple temperature detection apparatuses (26) are configured to detect the temperature of the battery cells (21), and the detection support (28) is configured to support the temperature detection apparatuses (26), so that the positions of the temperature detection apparatuses (26) in the housing assembly (10) are fixed. In the battery pack (100) for supplying power to an electronic device, the temperature detection apparatuses (26) are fixed in place by means of the detection support (28), thereby ensuring that the temperature detection apparatuses (26) can detect the temperature of the battery cell (21), and preventing the temperature detection apparatuses (26) from falling off.

SPACE-SAVING BATTERY BOX AND SYSTEM

Resumen de: AU2024280264A1

The present invention relates to the technical field of power batteries, and particularly relates to a space-saving battery box and system. The battery box comprises a battery case, a liquid cooling interface, a high-voltage connector, a battery module, a busbar, and a quick-connection liquid cooling pipe; the battery module is located in the battery case; the battery module comprises a battery cell stack and a liquid cooling plate used for adjusting the temperature of the battery cell stack; the liquid cooling interface is located on the side wall of the battery case and is communicated with water nozzles of the liquid cooling plate by means of the quick-connection liquid cooling pipe located in the battery case; the high-voltage connector is located on the side wall of the battery case; and the high-voltage connector comprises a high-voltage positive electrode and a high-voltage negative electrode, and the high-voltage positive electrode and the high-voltage negative electrode are respectively communicated with a positive electrode and a negative electrode of the battery module by means of the busbar located in the battery case. The space-saving battery box provided by the present invention can be directly stacked layer by layer, and metal battery frames are omitted, so that the space of the battery system is greatly saved.

BATTERY PACK COLD PLATE

Resumen de: AU2025200147A1

A battery pack includes battery cells arranged in an array to form a battery module layer. Multiple layers are vertically stacked with thermal management devices, such as active heat exchangers in the form of battery cold plates, above and below each layer to form a multi-layer battery stack that may be held in compression. The battery cold plates include liquid heat exchange medium passageways, the characteristics of which influence the heating and cooling capabilities of the cold plates. The battery cold plates, including at least arrangement and features of the passageways across the battery cold plate, are optimized to achieve desirable pressure drop and temperature distribution across the cold plates, among other benefits. A battery pack includes battery cells arranged in an array to form a battery module layer. Multiple layers are vertically stacked with thermal management devices, such as active heat exchangers in the form of battery cold plates, above and below each layer to form a multi-layer battery stack that may be held in compression. The battery cold plates include liquid heat exchange medium passageways, the characteristics of which influence the heating and cooling capabilities of the cold plates. The battery cold plates, including at least arrangement and features of the passageways across the battery cold plate, are optimized to achieve desirable pressure drop and temperature distribution across the cold plates, among other benefits. an a n b a t t e r y p a

OCV-SOC CALIBRATION METHOD AND APPARATUS, OCV-SOC ESTIMATION METHOD AND APPARATUS, MEDIUM AND VEHICLE

Resumen de: US2025244392A1

A calibration method of an OCV-SOC functional relational expression of a battery and apparatus, an estimation method of an SOC of a battery and apparatus, and a medium and a vehicle, which belong to the technical field of batteries. The calibration method includes: acquiring a charging and discharging OCV-SOC curve, a charging OCV-SOC curve and a discharging OCV-SOC curve of the battery (S1); respectively fitting the curves to obtain three corresponding OCV-SOC functional relational expressions (S2); and then fitting the functional relational expressions to obtain a target OCV-SOC functional relational expression of the battery with hysteresis coefficients (S3). In the calibration method, an OCV-SOC functional relational expression is obtained, thereby reducing the impact brought by the hysteresis characteristic of the battery, and thus an SOC value obtained by measuring the OCV is more accurate.

APPARATUS AND METHOD FOR DIAGNOSING BATTERY

Resumen de: US2025244404A1

An apparatus for diagnosing a battery includes a profile obtaining unit configured to obtain a battery profile representing a corresponding relationship between voltage and capacity of a battery; and a control unit configured to divide a capacity section of the battery profile into a plurality of sections, derive a target value for any one target indicator among a plurality of diagnostic indicators preset in each section, compare a corresponding relationship between the derived plurality of target values with a reference profile preset to represent a corresponding relationship between the plurality of target indicators, and diagnose a state of the battery based on the comparison result.

SYSTEMS AND METHODS FOR DETECTING MISALIGNMENT IN BATTERY CELLS USING ULTRASOUND

Resumen de: US2025244294A1

An inspection system and method for inspecting a battery cell are disclosed. The system interrogates a battery cell by transmitting ultrasound signals into the battery cell at target points, detects ultrasound reflected from the battery cell at each of the target points, and generates response signals from the detected ultrasound at each of the target points. The system also detects one or more misaligned layers within the cell based on the response signals for each target point and calculates a misalignment score based upon the response signals. The misalignment score indicates a level of layer misalignment of each battery cell. Additionally, the inspection system can perform an action associated with each battery cell based upon the misalignment score, such as placing each battery cell in a pass bin or a fail bin or notifying an operator via a message, in examples.

APPARATUS AND METHOD FOR DIAGNOSING BATTERY

Resumen de: US2025244403A1

A battery diagnosing apparatus according to one embodiment of the present disclosure includes: a profile acquisition unit that acquires a battery profile representing a correspondence between a voltage and a capacity of a battery; and a control unit that divides a capacity section of the battery profile into a plurality of sections, derives a target value for one target index related to a differential capacity peak or a charging capacity ratio among a plurality of diagnosis indices set in advance, from each of the divided sections, compares a correspondence between the derived plurality of target values with a preset reference profile that represents a correspondence between a plurality of target indices, and diagnoses a state of the battery based on a result of the comparison.

SECONDARY BATTERY

Resumen de: US2025246769A1

The present disclosure relates to a secondary battery capable of increasing the inner space utilization rate of a case and improving energy density. For example, disclosed is a secondary battery including: an electrode assembly including a current collector tab; a case including a main body formed with an accommodation portion configured to accommodate the electrode assembly and a cover configured to cover the main body; and an electrode lead electrically connected to the current collector tab and drawn out of the case, wherein the current collector tab is bent twice to form a bent portion and an end portion protruding from the electrode assembly and an adhesive member is formed within a region formed by the bent portion of the current collector tab.

BATTERY MODULE, ENERGY STORAGE DEVICE AND ENERGY STORAGE SYSTEM

Resumen de: US2025246761A1

Disclosed is a battery module, including batteries arranged along a first direction that is a thickness direction of the battery and an integrated busbar cover plate. The integrated busbar cover plate is disposed at tops of the batteries. Limiting through hole groups arranged at intervals along the first direction are provided on the integrated busbar cover plate, correspond to the batteries one by one, and are matched with poles of corresponding batteries. In the first direction, a length of a limiting through hole in the limiting through hole group near an end part of the integrated busbar cover plate is greater than that of a limiting through hole in the limiting through hole group located in a middle part of the integrated busbar cover plate. The length of the limiting through hole is a size of the limiting

SEPARATOR, METHOD FOR PREPARING THE SAME, RELATED SECONDARY BATTERY AND ELECTRICAL DEVICE

Resumen de: US2025246755A1

A separator, a method for preparing the same, a secondary battery and an electrical device are disclosed. The separator comprises a porous substrate and a coating provided on at least one surface of the porous substrate, the coating comprises a fibrous material and at least a portion of the fibrous material is embedded in pores of the porous substrate, and a depth to which the fibrous material is embedded in the pores of the porous substrate along the direction of the thickness of the separator is denoted as H1, and H1 is greater than or equal to 0.02 μm.

DRAIN VALVE FOR POWER BATTERY PACK

Resumen de: US2025246788A1

Disclosed is a drain valve for a power battery pack. Gaps are formed between outer sides of the guide plates and the valve body, and guide grooves are formed in the outer sides of the guide plates. Liquid entering the valve body via the liquid inlet flows to the liquid-swellable body via gaps between the guide plates, and the liquid-swellable body swells to jack up the valve cover, such that the guide grooves are connected to an opening between the valve cover and the valve body to form a draining passage. The drain valve for a power battery pack optimizes the position of the draining passage and the swelling space of the liquid-swellable body to ensure that the space of the draining passages will not be affected by the liquid-swellable body in a swelling state, thus guaranteeing a normal draining function.

BATTERY CELL AND ASSEMBLING METHOD THEREOF, BATTERY, ELECTRICAL APPARATUS, AND ASSEMBLING ASSEMBLY

Resumen de: US2025246775A1

A battery cell includes an electrode assembly, a case, an end cover assembly, and a current collecting component. The electrode assembly includes a first tab. The case is used for accommodating the electrode assembly, and the case has an opening. The end cover assembly covers the opening and is provided with an electrode lead-out portion. The current collecting component includes a tab connecting region and an end cover connecting region. The tab connecting region is used for connecting to the first tab. The end cover connecting region is welded to the inner side of the electrode lead-out portion and forms a first welded portion. The penetration depth of the first welded portion formed on the electrode lead-out portion is smaller than or equal to the thickness of the electrode lead-out portion.

SPODUMENE CONCENTRATION FOR LITHIUM RECOVERY

Resumen de: AU2024208777A1

There is provided a method of recovering lithium concentrate from an ore containing spodumene. The ore is crushed to obtain a fine fraction and a coarse fraction. The coarse fraction is calcined at a temperature of from about 950 to about 1100°C to obtain a calcined coarse fraction containing spodumene particles having a beta crystal structure. The calcined coarse fraction is selectively screened to separate out the spodumene particles and produce screened spodumene particles. A magnetic separation is performed on the screened spodumene particles to concentrate the spodumene particles and separate out non-magnetic contaminants to recover the lithium concentrate.

METHODS OF PURIFIYING AND PRECIPITATING MATERIALS FROM BATTERIES FOR RECYCLING AND MANUFACTURING PROCESSES

Resumen de: WO2024155946A1

The present disclosure relates to systems and methods for recovering one or more nickel containing products and producing a lithium sulfate solution from battery manufacturing scrap materials with improved byproducts and minimal waste streams. In particular, in one or more embodiments, the disclosed methods can comprise leaching, in an acidic solution, battery manufacturing scrap materials to produce solution containing metals. Additionally, the methods can process the solution containing metals to recover one or more nickel containing products and produce a lithium sulfate solution. Further, the methods can evaporate the lithium sulfate solution to produce lithium sulfate (Li2SO4).

HIGH-CAPACITY BATTERY AND METHOD FOR REPAIRING HIGH-CAPACITY BATTERY

Resumen de: AU2024206944A1

The present application provides a high-capacity battery and a method for repairing the high-capacity battery, primarily resolving the problems with existing high-capacity batteries of limited upper capacity limits and limited number of cycles, caused by poor consistency. The high-capacity battery comprises multiple battery cells connected in parallel, an inner cavity of each battery cell comprising a gas region and an electrolyte region, and the electrolyte regions of the battery cells being in communication, thereby forming a shared electrolyte system. In the high-capacity battery of the present application, the electrolyte regions of each battery cell are communicated, so that the electrolytes of all battery cells are in the same system, the difference among battery cells is reduced, and the performance and cycle life of the high-capacity battery are increased.

SYSTEMS AND METHODS FOR ADAPTIVE USB CHARGING

Resumen de: AU2023432487A1

Systems and methods are provided for charging a chargeable electronic device with a USB interface. An example method includes comparing a charging voltage level of a charging device to a charge voltage rage. The method may further include charging a battery with a charging current based on the charging voltage level being within the charging voltage range. The method may further include comparing the charging current to a charge current range, and increasing the charging current based on a determination that it is within the charge current range. The method may involve again comparing the charging voltage level to the charge voltage range and the charging current to the charge current range, and continuing to charge the chargeable electronic device with the charging current based on a determination that the charging voltage level is within the charge voltage range and the charging current is within the charge current range.

NON-INVASIVE ADVANCED SENSORY SYSTEM FOR REAL-TIME MONITORING AND DIAGNOSIS OF ELECTROLYZERS, ELECTROLYTES AND A LITHIUM-ION BATTERY (LIB)

Resumen de: US2025244293A1

A non-intrusive sensing system for monitoring an electrochemical device and a method of operating the non-intrusive sensing system can include multi-static ultrasonic sensors for detecting data indicative of a property of electrolytic media in an electrochemical device, an acoustic sensor for detecting and measuring a signature of electrodes associated with a health condition of the electrochemical device. A temperature sensor can be used to detect surface temperature data and correlate the surface temperature data with the signature identified and extracted by the acoustic sensor and the data indicative of the property of the electrolytic media. The data detected by the multi-static ultrasonic sensors, the signature detected by the acoustic sensor, and the surface temperature data identified can be subject to feature extraction and processing by a detection and prediction model to produce information pertaining to the safety, reliability and operating efficiency of the electrochemical device.

BATTERY MODULE AND BATTERY SYSTEM

Resumen de: US2025246711A1

A battery module is provided. The battery module includes a liquid tight battery enclosure and at least one cell assembly. The battery enclosure includes a front plate, a back plate, a battery housing, a fluid inlet, a fluid outlet, and at least two enclosure interfaces. The fluid inlet is disposed on the front plate for a fluid to flow into the battery enclosure. The fluid outlet is disposed on the front plate for the fluid to flow out of the battery enclosure. The at least two enclosure interfaces are disposed on the front plate. The at least one cell assembly has battery cells, at least one cell holder, at least two cell-connectors, and at least two assembly electrodes. Each of the at least two assembly electrodes is respectively coupled to one of the at least two enclosure interfaces and electrically exposed to an exterior of the front plate.

HEAT EXCHANGING ASSEMBLY, BATTERY MODULE, BATTERY, ELECTRICAL DEVICE

Resumen de: US2025246710A1

A heat exchanging assembly, a battery module, a battery, and an electrical device are provided. The heat exchanging assembly includes a heat exchanging plate. The heat exchanging plate has a heat exchanging flow channel. The heat exchanging plate has a discharge structure. The discharge structure is configured to correspond to a pressure relief mechanism of a battery cell. The heat exchanging flow channel is arranged on at least one side of the discharge structure in a width direction of the heat exchanging plate. The heat exchanging flow channel is configured to exchange heat with the battery cell.

BATTERY MODULE AND BATTERY SYSTEM

Resumen de: US2025246712A1

A battery module is provided. The battery module includes a liquid tight battery enclosure and at least one cell assembly. The battery enclosure includes a front plate, a back plate, a battery housing, a fluid inlet, a fluid outlet, and at least two enclosure interfaces. The fluid inlet is disposed on the front plate for a fluid to flow into the battery enclosure. The fluid outlet is disposed on the front plate for the fluid to flow out of the battery enclosure. The at least two enclosure interfaces are disposed on the front plate. The at least one cell assembly has battery cells, at least one cell holder, at least two cell-connectors, and at least two assembly electrodes. Each of the at least two assembly electrodes is respectively coupled to one of the at least two enclosure interfaces and electrically exposed to an exterior of the front plate.

Low-Temperature Hydrothermal Relithiation of Spent Lithium-ion Battery Cathodes by Redox Mediation

Resumen de: US2025246703A1

A process for low temperature hydrothermal relithiation of spent lithium-ion battery cathode materials adds a reducing agent to an aqueous Li solution at 80-100° C. followed by a short anneal to achieve complete recovery of composition, crystal structure, and electrochemical performance for heavily degraded cathode materials.

BUSBAR MODULE

Resumen de: US2025246762A1

A busbar module includes a case that is assembled to a battery module, and a flexible substrate that is held in the case. A main body of the flexible substrate includes a trunk portion, and a branch portion branched from the trunk portion. Meanwhile, the case includes a trunk holding portion, a branch holding portion that is positioned closer to the battery module side than the trunk holding portion, and a connecting wall that connects the trunk holding portion and the branch holding portion. The trunk holding portion, the branch holding portion, and the connecting wall form a stepped portion. Further, the branch portion includes a curved portion that curves smoothly in a connecting portion with the trunk portion. A holding portion that holds the main body in a state in which a curved shape of the curved portion is maintained is formed in the case.

Current Collector with Embossed Bumps

Resumen de: US2025246771A1

A current collector with embossed bumps, includes a central region and edge regions, the central region being used for welding to the housing of the battery; the central region is provided with a plurality of embossed bumps in a cross array distribution. In one embodiment, the number of embossed bumps in each row is sequentially cross-distributed in odd and even numbers. In one embodiment, the embossed bumps in the odd number row are located on the symmetry axis of the two embossed bumps in the even number row. In one embodiment, three adjacent embossed bumps are distributed in an equilateral triangle. This embossed bumps design can increase the melting area of the weld by 24%, thereby increasing the welding strength at the bottom and increasing the welding firmness, and meanwhile reduce the internal resistance of the bottom welding point by 22%, thereby reducing the dissipation of electrical energy due to the internal resistance.

SECONDARY BATTERY

Resumen de: US2025246729A1

One embodiment of the present disclosure relates to a secondary battery including a cylindrical can including a circular bottom part, and a side part extending from the bottom part, the side part having an open end portion, an electrode assembly accommodated in the cylindrical can, a current interrupt device disposed in the open end portion of the side part and having a vent therein, and a gasket disposed between the side part and the current interrupt device and including a protrusion configured to support a lower part of the current interrupt device.According to the embodiment of the present disclosure, by improving the shape of the gasket, components such as a cap-up and a safety vent are not deformed by pressure when a crimping part and a beading part are formed on the can for assembly of the cap assembly. Thus, the stability of the secondary battery can be improved.

TOP COVER ASSEMBLY, BATTERY CELL, ASSEMBLING METHOD FOR BATTERY CELL, AND ELECTRIC DEVICE

Resumen de: US2025246727A1

A top cover assembly, a battery cell, an assembling method for a battery cell, and an electric device. The top cover assembly includes: a top cover loading-into-housing assembly, comprising an insulation member, an adapter, a first end cover and a pole connected to the adapter, wherein the projection contour of the first end cover falls within an area defined by the outer edge contour of the insulating member. A projection contour of the first end cover is located within a region defined by an outer edge contour of the insulation member, and the pole sequentially penetrates the insulation member and the first end cover.

BATTERY MODULE AND BATTERY SYSTEM

Resumen de: US2025246713A1

A battery module is provided. The battery module includes a liquid tight battery enclosure and at least one cell assembly. The battery enclosure includes a front plate, a back plate, a battery housing, a fluid inlet, a fluid outlet, and at least two enclosure interfaces. The fluid inlet is disposed on the front plate for a fluid to flow into the battery enclosure. The fluid outlet is disposed on the front plate for the fluid to flow out of the battery enclosure. The at least two enclosure interfaces are disposed on the front plate. The at least one cell assembly has battery cells, at least one cell holder, at least two cell-connectors, and at least two assembly electrodes. Each of the at least two assembly electrodes is respectively coupled to one of the at least two enclosure interfaces and electrically exposed to an exterior of the front plate.

GEL ELECTROLYTE FOR LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY INCLUDING THE SAME

Resumen de: US2025246692A1

A lithium secondary battery including a gel polymer electrolyte. The gel polymer electrolyte includes a gel polymer and a liquid electrolyte, wherein the gel polymer is i) a crosslinked product of a multifunctional acryl-based monomer having three or more polymerizable functional groups, or ii) a crosslinked product of a first polymerizable monomer and a second polymerizable monomer, wherein the first polymerizable monomer is a multifunctional acryl-based monomer having three or more polymerizable functional groups, and the second polymerizable monomer is at least one selected from among a urethane acryl-based monomer having two or more polymerizable functional groups and a polymerizable monomer including a perfluoropolyether (PFPE) unit and having two or more polymerizable functional groups, and the liquid electrolyte includes a lithium salt, an organic solvent, and acetonitrile.

Battery pack and mower

Resumen de: US2025246698A1

A battery pack includes a box, a plurality of battery modules, a cooling passage, an air inlet assembly, an air outlet assembly and a cooling assembly. The plurality of battery modules is arranged at intervals in the box. The air inlet assembly and the air outlet assembly are arranged on the box corresponding to a head and a tail end of the cooling passage, so that outside air flows into the box from an inlet of the air inlet assembly and flows out of the box from an outlet of the air outlet assembly. The cooling passage is formed between the plurality of battery modules arranged at intervals and the box and arranged on at least a partial path where air flows between the inlet of the inlet air assembly and the box, and the air flowing in through the air inlet is in contact with the cooling assembly.

POSITIVE ELECTRODE MATERIAL AND PREPARATION METHOD THEREFOR, SECONDARY BATTERY COMPRISING SAME, AND POWER CONSUMING DEVICE

Resumen de: US2025246623A1

The present application provides a positive electrode material comprising a substrate particle of formula (I):Li1+aNixCoyMnzMbWcO2  (I)wherein the M is selected from one or more of Mo, Zr, Al, Ti, Sb, Nb, Te, Mg, Ca, Zn and Sr, 0.6

POSITIVE ACTIVE MATERIAL AND PREPARATION METHOD THEREFOR, SECONDARY BATTERY AND ELECTRICAL DEVICE

Resumen de: US2025246622A1

A positive active material has a chemical formula of Li1+aNixCoyMnzM1bM2cO2, where, 0.051 to 1.5):1.

BATTERY TEMPERATURE ADJUSTMENT SYSTEM AND BATTERY TEMPERATURE ADJUSTMENT METHOD

Resumen de: US2025246706A1

A battery temperature adjustment system includes: a temperature adjustment device adjusts a temperature of a power storage device; and a processor. A setting mode of the temperature adjustment device includes: a first mode in which, in response to a travel route of includes a charging facility, the temperature is adjusted within a first temperature range suitable for charging at a time of arrival at the facility; and a second mode in which, in response to receiving a predetermined operation for adjusting the temperature within a second temperature range suitable for charging or traveling, the temperature is adjusted within the second temperature range. The processor controls the temperature adjustment device to adjust the temperature according to the setting mode; and when the setting mode is the first mode, rejects the predetermined operation and maintain the first mode in a case where the predetermined operation is received.

GRAPHENE OXIDE, POSITIVE ELECTRODE FOR NONAQUEOUS SECONDARY BATTERY USING GRAPHENE OXIDE, METHOD OF MANUFACTURING POSITIVE ELECTRODE FOR NONAQUEOUS SECONDARY BATTERY, NONAQUEOUS SECONDARY BATTERY, AND ELECTRONIC DEVICE

Resumen de: US2025246633A1

A graphene oxide used as a raw material of a conductive additive for forming an active material layer with high electron conductivity with a small amount of a conductive additive is provided. A positive electrode for a nonaqueous secondary battery using the graphene oxide as a conductive additive is provided. The graphene oxide is used as a raw material of a conductive additive in a positive electrode for a nonaqueous secondary battery and, in the graphene oxide, the atomic ratio of oxygen to carbon is greater than or equal to 0.405.

THERMALLY BALANCED BATTERY PACK AND BATTERY PACK ENERGY STORAGE SYSTEM

Resumen de: US2025246709A1

The present disclosure relates to a thermally balanced battery pack and a battery pack energy storage system. The battery pack includes a battery module, a front end plate, a rear end plate, a bottom plate, two liquid cooling plates, and an upper cover. The front end plate is placed at a front end of the battery module; the rear end plate is placed at a rear end of the battery module; and the bottom plate is positioned at a bottom end of the battery module. The liquid cooling plates are internally provided with flow channels. The two liquid cooling plates are placed on two sides of the battery module, respectively, to carry away heat of the battery module through a cooling liquid. A thermally conductive pad is arranged between the liquid cooling plates and the battery module.

POSITIVE ELECTRODE ACTIVE MATERIAL AND FLUORIDE ION SECONDARY BATTERY

Resumen de: US2025246615A1

Provided is a positive electrode active material for use in a fluoride ion secondary battery. The positive electrode active material includes Cu particles and Cu2O particles. Provided is a fluoride ion secondary battery comprising a positive electrode material mixture layer comprising a positive electrode active material. The positive electrode active material includes Cu particles and Cu2O particles.

POWER STORAGE DEVICE

Resumen de: US2025246705A1

A power storage device includes: a power storage module that includes a power storage cell and an electrode terminal disposed on the power storage cell; and a cooler that cools the power storage cell. The electrode terminal is disposed on an end surface of the power storage cell in a Y direction intersecting a Z direction. The cooler includes an upper portion disposed above the power storage module. Further, the cooler includes a protruding portion protruding from the upper portion in the Y direction, in a direction in which the protruding portion is more spaced apart from the power storage cell than the electrode terminal.

POWER STORAGE DEVICE AND ELECTRONIC DEVICE

Resumen de: US2025246666A1

To improve the flexibility of a power storage device, or provide a high-capacity power storage device. The power storage device includes a positive electrode, a negative electrode, an exterior body, and an electrolyte. The outer periphery of each of the positive electrode active material layer and the negative electrode active material layer is a closed curve. The exterior body includes a film and a thermocompression-bonded region. The inner periphery of the thermocompression-bonded region is a closed curve. The electrolyte, the positive electrode active material layer, and the negative electrode active material layer are in a region surrounded by the thermocompression-bonded region.

BATTERY COMPONENT FABRICATION METHOD AND SYSTEM

Resumen de: US2025246669A1

A battery component fabrication method includes heating at least one electrolyte layer at a pre-compression thermal chamber. After the heating at the pre-compression thermal chamber, the method compresses the at least one electrolyte layer together with an electrode to provide a multilayered structure. After the compressing, the method heats the multilayered structure at a post-compression thermal chamber.

SECONDARY BATTERY INSPECTION DEVICE AND SECONDARY BATTERY INSPECTION METHOD

Resumen de: US2025246670A1

Proposed are a secondary battery inspection device and a secondary battery inspection method. The secondary battery inspection device includes a plate provided such that the plate is capable of being slidably moved, a movement guide part guiding a movement of the plate, and a pressing part configured to press one side portion of the plate.

PROTECTION CIRCUIT AND CHARGING EQUIPMENT

Resumen de: US2025246919A1

A protection circuit includes a P-type MOSFET, a first electrical path connecting a contact positive electrode terminal and a drain terminal of the P-type MOSFET, a second electrical path connecting the positive electrode terminal and a source terminal of the P-type MOSFET, a first N-type MOSFET, a grounded third electrical path connecting a second contact negative electrode terminal and the drain terminal, a fourth electrical path connecting the ground terminal and the source terminal, a fifth electrical path connecting the first contact negative electrode terminal and the fourth electrical path via a resistor, a sixth electrical path connecting a gate terminal of the P-type MOSFET and the fifth electrical path between the first contact negative electrode terminal and the resistor, and a seventh electrical path connecting the gate terminal of and the fifth electrical path between the sixth electrical path and the resistor.

BATTERY CELL AND MANUFACTURING METHOD THEREFOR, BATTERY, AND ELECTRICAL DEVICE

Resumen de: US2025246639A1

A battery cell comprises: a shell assembly comprising electrode lead-out parts used to input or output electric energy, an electrode assembly accommodated in the shell assembly and comprising a cylindrical main body part and tab parts protruding from an end of the main body part and comprising a plurality of sub-tabs, and current collecting members accommodated in the shell assembly and each comprising a plurality of converging portions sequentially arranged at intervals along the circumferential direction of the current collecting member and conducting portions positioned between every two adjacent converging portions. The converging portions extend along the radial direction of the current collecting member. The conducting portion is connected to its adjacent two converging portions. The converging portions are used to be electrically connected to the electrode lead-out part. The conducting portions are used to be electrically connected to at least one of the sub-tabs.

BATTERY

Resumen de: US2025246617A1

A battery 1000 according to the present disclosure includes a positive electrode 103, a negative electrode 101, and an electrolyte layer 102 positioned between the positive electrode 103 and the negative electrode 101. The positive electrode 103 includes a positive electrode active material layer 106. The positive electrode active material layer 106 includes a composite oxide represented by composition formula (1): LiaNibMecO2d. In the composition formula (1), a satisfies 0.8≤a≤1.2, b satisfies 0.5≤b≤1.0, c satisfies 0≤c≤0.6, d satisfies 0

PRISMATIC SECONDARY LITHIUM-ION BATTERY CELL

Resumen de: US2025246707A1

An electrical system includes a battery pack having a battery cell. The battery cell includes a housing having at least one side and forming a chamber, an electrode assembly disposed within the chamber, and an insulation assembly disposed in the chamber between the electrode assembly and the at least one side of the housing. The insulation assembly includes a heat absorbent material enclosed by a plastic cover. The heat absorbent material has a non-flammable liquid stored therein. The plastic cover is configured to shrink when a temperature of the plastic cover is above a threshold temperature, thereby releasing the non-flammable liquid from the heat absorbent material into the chamber to reduce a flow of heat from outside of the housing to the electrode assembly.

ABUSE-TOLERANT LITHIUM ION BATTERY CATHODE BLENDS WITH SYMBIOTIC POWER PERFORMANCE BENEFITS

Resumen de: US2025246603A1

Methods and systems are provided for a blend of cathode active materials. In one example, the blend of cathode active materials provides a high power battery with low direct current resistance while improving lithium ion cell safety performance. Methods and systems are further provided for fabricating the cathode active material blend and a battery including the blend.

MOVABLE BATTERY PACK PROCESSING DEVICE AND PROCESSING METHOD

Resumen de: US2025246702A1

The present invention relates to a movable battery pack processing device comprising: a first container to which a discharging module or a cooling module is mounted; and a second container to which a battery pack processed by the discharging module or the cooling module of the first container is transferred and to which a disassembling module for disassembling the battery pack is mounted. According to the present invention, a waste battery disassembling process is modularized, so that cost required for a waste battery processing can be reduced and stability also can be significantly improved.

POLYMER, CONDUCTIVE SLURRY, POSITIVE ELECTRODE PLATE, SECONDARY BATTERY, AND ELECTRIC APPARATUS

Resumen de: US2025246631A1

A polymer, a conductive slurry, a positive electrode plate, a secondary battery, and an electric apparatus. The polymer includes a structural unit represented by formula (1) and structural unit(s) represented by formula (2), where in formula (2), R1, R2, and R3 are each independently selected from a hydrogen atom, a halogen atom, or a substituted or unsubstituted C1-C10 alkyl group. The polymer in embodiments of this application exhibits improved dispersion performance.

BATTERY OPTIMAL DYNAMIC TEMPERATURE CONTROL

Resumen de: US2025246704A1

A system for cooling a battery of an electric machine can include a controller, a battery system coupled to the controller, and a cooling system coupled to the controller and configured to cool the battery system, wherein, the controller is configured to dynamically adjust a battery cooling system temperature set point or cooling demand based on a condition of the battery system and an application environment.

PRE-LITHIATED LITHIUM-SILICON-ALLOY MATERIAL ARRANGEMENT, AN ANODE COMPRISING THE SAME AND A METHOD TO MANUFACTURE OF A MATERIAL ARRANGEMENT

Resumen de: US2025246634A1

The disclosure relates to a lithium-silicon-alloy material arrangement, especially formed as a surface-coated lithium-silicon-alloy material arrangement, comprising: a silicon material substrate, with a silicon content from 30% to 94%, including 30% and 94%; and comprising at least one further element, especially a further element like Na, B, C, Al, Fe, Ni, Ti; a Li content from 3% to 25%, including 3% and 25%; and a surface coating which is at least partially applied on a surface area of the silicon material substrate, wherein the surface coating comprises at least one first surface coating layer comprising one or multiple elements of Li, Na, B, Al, Si, P, Ti, Fe and O.

MANGANESE IRON OXIDE AND PREPARATION METHOD THEREOF, AND PREPARATION METHOD FOR LITHIUM MANGANESE IRON PHOSPHATE CATHODE MATERIALS

Resumen de: US2025243081A1

A manganese iron oxide and a preparation method thereof, and a preparation method for lithium manganese iron phosphate cathode materials are provided. The preparation method for the manganese iron oxide includes the following steps: Configuring a mixed salt solution containing the first complexing agent, antioxidant, manganese salt, and iron salt; mixing the mixed salt solution, the second complexing agent, oxidant and deionized water to undergo a complexation-oxidation-precipitation reaction, filtering, washing, and drying a precipitate obtained after the reaction to obtain a manganese iron oxide. The preparation methods for the manganese iron oxide and lithium manganese iron phosphate cathode materials are simple, the physical and chemical indexes of the product are controllable, the raw materials are easy to obtain, the cost is low, the reaction conditions are mild, the corrosion resistance requirements of the equipment are not high, the technical difficulty is low, and it is easy to scale production.

CRYSTALLIZED GLASS AND METHOD FOR MANUFACTURING CRYSTALLIZED GLASS

Resumen de: US2025243107A1

The present invention relates to a glass ceramic including: lithium (Li); an element M; phosphorus (P); oxygen (O); and at least one element selected from boron (B) and silicon (Si), in which the element M includes at least one element selected from the group composed of zirconium (Zr), hafnium (Hf), tin (Sn), samarium (Sm), niobium (Nb), tantalum (Ta), tungsten (W), and molybdenum (Mo), and in an X-ray diffraction pattern of the glass ceramic, a maximum peak occurring in a range of 2θ=20° to 30° is derived from a monoclinic crystal structure, and a half width of the maximum peak is 0.10° or more.

CARBON NANOTUBE AND DISPERSION CONTAINING THE SAME

Resumen de: US2025243067A1

Carbon nanotubes satisfy Equation 1: −0.004*A+0.0385≤R≤−0.004*A+0.0425, wherein R is the powder resistance of the carbon nanotubes (Ω·cm), A is ln{(purity of carbon nanotube (weight %)*specific surface area (m2/g))/bulk density (kg/m3)}, wherein the specific surface area of the carbon nanotube is 320 m2/g or more, and the bulk density of the carbon nanotube is 30 kg/m3 or less. The carbon nanotubes of the present invention have both excellent dispersibility and electrical conductivity when applied as a dispersion, and thus, are particularly suitable for use as a conductive material in secondary batteries.

COMPOSITION FOR COATING A SEPARATOR, SEPARATOR, AND LITHIUM BATTERY EMPLOYING THE SEPARATOR

Resumen de: US2025246756A1

Provided are a composition for coating a separator, a method of preparing a separator by using the same, a separator, and a lithium battery employing the separator. The composition for coating a separator includes: a polyacrylamide-based copolymer including a cross-linking reactive group; inorganic particles; and water, and the cross-linking reactive group includes at least two functional groups cross-linkable with each other. The composition for coating a separator may be used as a one-component type without a crosslinker, and a separator having high thermal resistance characteristics may be prepared by using the composition.

EXPLOSION-PROOF VALVE INTEGRATED IN TOP COVER AND BATTERY PACK

Resumen de: US2025246747A1

The present disclosure relates to an explosion-proof valve integrated in a top cover and a battery pack, including: a top cover body, provided with an accommodating chamber; an explosion-proof valve body, including a pressure relief channel and a breathable film, in which the pressure relief channel and the top cover body are integrally molded, an end of the pressure relief channel is in communication with an interior of the accommodating chamber, an opposite end of the pressure relief channel is in communication with an exterior of the accommodating chamber and the breathable film is assembled to the end of the pressure relief channel.

POWER STORAGE MODULE AND POWER STORAGE DEVICE

Resumen de: US2025246739A1

A power storage module includes a first stack and a second stack alternately disposed side by side in a first direction, wherein the first stack includes a plurality of first unit cells arranged in the first direction, and the second stack includes a plurality of second unit cells arranged in an up-down direction orthogonal to the first direction.

ENERGY STORAGE DEVICE AND ENERGY STORAGE APPARATUS

Resumen de: US2025246748A1

An energy storage device includes a container that accommodates an electrode assembly, and the container includes, on a surface of the container as viewed from a thickness direction of the container, a first recessed portion in a portion of a corner portion of the surface or in a portion of a side portion of the surface. The first recessed portion penetrates in the thickness direction, and a gas release valve is disposed in the first recessed portion.

CELL HOLDER TRAYS INCLUDING ELECTRICAL CIRCUITS FOR VEHICLE BATTERY CELLS

Resumen de: US2025246737A1

An example vehicle battery assembly includes multiple rechargeable battery cells configured to supply power to a drive unit of a vehicle, a cell holder tray mounted within the vehicle, the cell holder tray configured to support the multiple rechargeable battery cells, an upper shear plate, wherein the multiple rechargeable battery cells are between the upper shear plate and the cell holder tray, and an electrical circuit within the cell holder tray, the electrical circuit electrically connected between at least two of the multiple rechargeable battery cells.

BATTERY CELL, BATTERY, ELECTRIC APPARATUS, AND MANUFACTURING METHOD AND SYSTEM OF BATTERY CELL

Resumen de: US2025246772A1

Embodiments provide a battery cell, a battery, an electric apparatus, and a manufacturing method and system of battery cell. In some embodiments, the battery cell includes a housing, an electrode assembly, and an end cover assembly. The housing provides an opening. The electrode assembly is disposed in the housing. The electrode assembly includes a body portion, a tab, and an isolation portion. The tab extends from an end of the body portion to the opening. The isolation portion is disposed on a periphery of the tab. The end cover assembly is configured to cover the opening. The end cover assembly includes an end cover and a first insulator. The end cover is configured to cover the opening and is connected to the housing. The first insulator is disposed on a side of the end cover proximate to an inside of the housing. The first insulator has a concave portion.

ELECTRODE, NEGATIVE ELECTRODE ACTIVE MATERIAL, NEGATIVE ELECTRODE, SECONDARY BATTERY, MOVING VEHICLE, ELECTRONIC DEVICE, METHOD FOR FABRICATING NEGATIVE ELECTRODE ACTIVE MATERIAL, AND METHOD FOR FABRICATING NEGATIVE ELECTRODE

Resumen de: US2025246611A1

A negative electrode with little deterioration is provided. A novel negative electrode is provided. A power storage device with little deterioration is provided. A novel power storage device is provided. The electrode contains silicon, graphite, and a graphene compound. A silicon particle with a particle diameter of less than or equal to 1 μm is attached to a graphite particle with a particle diameter 10 times or more that of the silicon particle. The graphene compound is in contact with the graphite particle so as to cover the silicon particle.

NON-AQUEOUS SECONDARY BATTERY AND MANUFACTURING METHOD OF NON-AQUEOUS SECONDARY BATTERY

Resumen de: US2025246619A1

A non-aqueous secondary battery comprising a cathode and a anode and a non-aqueous electrolyte, wherein the non-aqueous electrolyte contains at least one of calcium ions and magnesium ions at a 0.1 mol/L or higher concentration with the entire non-aqueous electrolyte solution as a standard, and the cathode includes a non-aqueous secondary battery containing dehydroascorbic acid, a cathode active material, a salt containing calcium ions or magnesium ions, and a cathode composite material mixed with ascorbic acid, a step of forming a battery comprising a cathode, a anode, and a non-aqueous electrolyte, and a step of decomposing the salt by applying a voltage to the battery, wherein the cathode composite material includes a non-aqueous secondary battery containing the salt as a standard and 1% by mass or more of the total cathode composite material.

BATTERY CELL, STACKED-TYPE BATTERY, AND ELECTRICAL DEVICE

Resumen de: US2025246610A1

This application provides a battery cell, a stacked-type battery, and an electrical device. The battery cell includes at least one electrode assembly. The electrode assembly includes a positive electrode plate and a negative electrode plate. The negative electrode plate includes a first negative electrode plate and a second negative electrode plate. A capacity per unit volume of the first negative electrode plate is greater than a capacity per unit volume of the second negative electrode plate. At least one positive electrode plate is disposed between two adjacent first negative electrode plates, and at least one second negative electrode plate is disposed between the two adjacent first negative electrode plates. The above technical solution alleviates disadvantages caused by expansion of the electrode plate, improves longevity of the battery, and improves an energy density and storage performance of the battery.

CATHODE LITHIUM-SUPPLEMENTING ADDITIVE, PREPARATION METHOD THEREFOR AND APPLICATION THEREOF

Resumen de: US2025246605A1

A cathode lithium-supplementing additive, a preparation method for the cathode lithium-supplementing additive and an application of the cathode lithium-supplementing additive. The cathode lithium-supplementing additive includes a lithium-containing core and an encapsulation layer covering a surface of the lithium-containing core. The encapsulation layer has pores and/or cracks and a sealing agent distributed at least at the pores and/or cracks for blocking the pores and/or cracks, where a material of the sealing agent includes an organic hydrophobic material. The sealing agent provided includes the organic hydrophobic material that can be embedded in the pores of the encapsulation material to further fill gaps in the sealing material, thus, a dense film layer is formed.

STABILIZED POROUS SILICON STRUCTURE FOR HIGHLY STABLE SILICON ANODE AND METHODS OF MAKING

Resumen de: US2025243072A1

Stabilized porous silicon particles are disclosed. The particles include a porous silicon particle comprising a plurality of interconnected silicon nanoparticles and (i) a heterogeneous layer comprising a discontinuous SiC coating that is discontinuous across a portion of pore surfaces and across a portion of an outer surface of the porous silicon particle, and a 10 continuous carbon coating that covers outer surfaces of the discontinuous SiC coating, and remaining portions of the pore surfaces and the outer surface of the porous silicon particle, or (ii) a continuous carbon coating on surfaces of the porous silicon particle, including the outer surface and pore surfaces. Methods of making the stabilized porous silicon particles also are disclosed.

LITHIUM MANGANESE IRON PHOSPHATE MATERIAL AND METHOD FOR PREPARING THE SAME, CATHODE PLATE, AND SECONDARY BATTERY

Resumen de: US2025243064A1

In one aspect, a lithium manganese iron phosphate material includes a core, and a material of the core is represented by a general formula of LixMgyMnzFeaAlbPO4, where x is ranged from 1.008 to 1.05, y is ranged from 0 to 0.006, z is ranged from 0.4 to 0.6, a is ranged from 0.388 to 0.6, and b is ranged from 0 to 0.012.

CORE-SHELL NANOPARTICLES AND METHODS OF FABRICATION THEREOF

Resumen de: US2025243080A1

The present disclosure concerns core-shell nanoparticles, each comprising a core comprising Nb and NbS2; preferably NbS2 and a shell of Formula NbSxOy·zH2O, wherein x is a number from 0 to 5; y is a number from 0 to 3; and z is a number from 0 to 10. The present disclosure also concerns a method of synthesising core-shell nanoparticles.

HIGH TEMPERATURE SINTERING SYSTEMS AND METHODS

Resumen de: US2025243065A1

Disclosed are fast high-temperature sintering systems and methods. A method of fabrication includes positioning a material at a distance of 0-1 centimeters from a first conductive carbon element and at a distance of 0-1 centimeters from a second conductive carbon element, heating the first conductive carbon element and the second conductive carbon element by electrical current to a temperature between 500° C. and 3000° C., inclusive, and fabricating a sintered material by heating the material with the heated first conductive carbon element and the heated second conductive carbon element for a time period between one second and one hour. Other variations of the fast high-temperature sintering systems and methods are also disclosed. The disclosed systems and methods can quickly fabricate unique structures not feasible with conventional sintering processes.

COPPER-DOPED LITHIUM COBALT OXIDE PRECURSOR, POSITIVE ELECTRODE MATERIAL, AND PREPARATION METHOD THEREFOR AND USE THEREOF

Resumen de: US2025243083A1

Disclosed are a copper-doped lithium cobalt oxide precursor, a cathode material, a preparation method therefor and use thereof. The method comprises the following steps: (1) mixing a solution of soluble cobalt salt and copper salt, urea and a carbon source to perform a hydrothermal reaction to obtain a mixture; and (2) subjecting the mixture obtained in step (1) to solid-liquid separation, washing and drying the obtained solid product to obtain the copper-doped lithium cobalt oxide precursor. The cathode material prepared by the copper-doped lithium cobalt oxide precursor has better cycle performance and discharge capacity.

BATTERY ASSEMBLY

Resumen de: US2025246742A1

A battery assembly includes a first end section and a second end section; a plurality of battery cells stacked between the first end section and the second end section; a transmission system connecting the first end section and the second end section together; and an actuator motor configured for driving the transmission system to vary a distance between the first end section and the second end section to impact a pressure applied by the first end section and the second end section to the plurality of the battery cells.

BATTERY PACK

Resumen de: US2025246745A1

A battery pack includes: a case; a plurality of battery modules stacked and housed in the case; a sealing material, made of resin, provided on outside of end portions of the battery modules; current-carrying plates stacked and provided between the battery modules in a manner that end portions of the current-carrying plates are positioned inside of the end portions of the battery modules and electrically connect between the battery modules; cooling elements stacked and provided between the battery modules in a manner that end portions of the cooling elements are positioned inside of the end portions of the battery modules and cool the battery modules; and a filling material filled in the case, for fixing the battery module, the current-carrying plate, and the cooling elements among each other and inside the case.

CYLINDRICAL SECONDARY BATTERY

Resumen de: US2025246770A1

A cylindrical secondary battery including an electrode assembly including a negative electrode plate and a positive electrode plate; a cylindrical can accommodating the electrode assembly and including a terminal hole in one side of the cylindrical can and an open inlet in another side of the cylindrical can; a terminal coupled to the cylindrical can through the terminal hole; and a negative electrode current collector in the cylindrical can and electrically connecting the cylindrical can to the negative electrode plate. The negative electrode current collector includes a notch groove or a cutting hole configured to be cut in response to an increase in pressure in the cylindrical can.

BATTERY MANUFACTURING METHOD AND BATTERY MANUFACTURING SYSTEM

Resumen de: US2025246665A1

A battery manufacturing method according to an embodiment includes a first operation of acquiring pattern indicator data and measurement data and/or inspection data for an electrode sheet having patterns in which coated portions and uncoated portion are repeatedly arranged, and the pattern indicator data includes representing positions of the patterns at the electrode sheet; a second operation of associating the measurement data and/or inspection data with the pattern indicator data; and a third operation of generating inter-process monitoring data by matching the pattern indicator data for each process of a plurality of processes so as to correspond to a same physical position of the electrode sheet.

SOLID ELECTROLYTE FILM

Resumen de: US2025246676A1

A method is provided for forming a lithium aluminium oxide phosphate (LAPO) solid electrolyte film. The comprises: depositing an aqueous precursor solution onto a substrate to form a deposited film; and annealing the deposited film to form the LAPO solid electrolyte film. The precursor solution contains lithium and aluminium in a molar ratio of at least 2.6:1.

ELECTRICAL BYPASS PREPARATION FOR FAILING BATTERY CELL

Resumen de: US2025246782A1

A battery pack may include a plurality of battery cells arranged in an array and a plurality of bus bars. Each bus bar of the plurality of bus bars may be configured to electrically couple a pair of battery cells in series by attaching to a positive terminal of a first battery cell and a negative terminal of a second battery cell. Each bus bar of the plurality of bus bars may include at least one bypass structure configured to be electrically coupled to a bypass wire. When the bypass wire is electrically coupled to a pair of bus bars, the bypass wire enables at least one battery cell of the plurality of battery cells to be bypassed.

NEGATIVE ELECTRODE FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY INCLUDING SAME

Resumen de: US2025246599A1

Examples of this disclosure include a negative electrode for a rechargeable lithium battery, and a rechargeable lithium battery including the same. The negative electrode for the rechargeable lithium battery includes a current collector, a negative active material layer, and a binder layer between the current collector and the negative active material layer, wherein the negative active material layer has a surface roughness of about 2 μm to about 8 μm.

POSITIVE ELECTRODE ACTIVE MATERIALS, POSITIVE ELECTRODES, AND RECHARGEABLE LITHIUM BATTERIES

Resumen de: US2025246602A1

A positive electrode active material includes a first positive electrode active material including a layered lithium nickel-manganese-based composite oxide, the first positive electrode active material being in a form of single particles. The positive electrode active material also includes a second positive electrode active material including a lithium-manganese-rich composite oxide in which a molar ratio of lithium to a total metal content of the lithium-manganese-rich composite excluding lithium is about 1.1 to about 3 and a manganese content based on 100 mol % of the total metal content of the lithium-manganese-rich composite excluding lithium is greater than or equal to about 60 mol %, and the second positive electrode active material being in a form of single particles. The positive electrode active material according to some embodiments maximizes capacity while minimizing production cost, ensures long cycle-life, and improves high-voltage characteristics and high-temperature storage characteristics. A rechargeable lithium battery using the positive electrode active material can exhibit high initial charge and discharge capacity and efficiency even under high-voltage operating conditions and can realize high energy density and long cycle-life characteristics due to high pellet density.

NEGATIVE ELECTRODE FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY INCLUDING SAME

Resumen de: US2025246629A1

Disclosed are a negative electrode for a rechargeable lithium battery and a rechargeable lithium battery including the same. The negative electrode for the rechargeable lithium battery includes a current collector, a negative active material layer including an expansion reduction binder, a rubber binder, and a negative active material; and a functional layer between the current collector and the negative active material layer, wherein an amount of the expansion reduction binder is about 0.3 wt % to about 1 wt % based on 100 wt % of the negative active material layer, and an amount of the rubber binder is about 1 wt % to about 1.5 wt % based on 100 wt % of the negative active material layer.

METHOD FOR MANUFACTURING NEGATIVE ELECTRODE MATERIAL PARTICLES

Resumen de: US2025246604A1

A method for manufacturing negative electrode material particles includes the steps of: mixing silicon oxide granules with a powder of a pitch without using any liquid organic solvents, so as to obtain a mixture; and heating the mixture at a heating rate ranging from 0.65° C./min to 1.25° C./min to a carbonization temperature of not lower than 600° C. for not less than 5 hours, so that the thus melted pitch is carbonized and forms a carbon film on a surface of each of the silicon oxide granules, thereby obtaining the negative electrode material particles. Each of the negative electrode material particles has a mean particle size ranging from 2 μm to 11 μm.

INSPECTION DURING THE MANUFACTURE OF MODULES OR PRECURSORS OF MODULES

Resumen de: US2025243032A1

An inspection device for a layer material has a layer conveyor and a drive to pick up an anode or cathode layer by a pickup from a transfer location and bring it to a delivery location. The layer turner delivers a single anode or cathode layer from its pickup to a stacking table at the delivery location. The drive aligns the pickup and the stacking table relative to each other depending on a signal based on processing of a first or second image feed. A first image sensor is aligned between the transfer location and the delivery location to perform a first image feed when the pickup of the layer turner passes the first image sensor. A second image sensor is aligned between the transfer location and the delivery location to perform a second image feed when the pickup of the layer turner passes the second image sensor.

SECONDARY BATTERY ELECTRODE PRODUCTION SYSTEM

Resumen de: US2025243011A1

A secondary battery electrode production system comprises a transfer portion configured to transfer an electrode, wherein the transfer portion is divided into a first area for unloading the electrode and a second area for loading or holding the electrode, the transfer portion comprises a suction driving portion, a suction plate, a belt moving along the suction plate, and a plurality of suction blocks coupled to the belt, the suction plate comprises a plurality of first flow paths partitioned from each other, each of the suction blocks comprises a second flow path and a first hole connected to the second flow path, the belt comprises a second hole aligned with the first hole, and among the plurality of suction blocks, the first hole of the suction block positioned in the first area communicates with any one of the plurality of first flow paths.

COMPOSITE SHEET, METHOD FOR PRODUCING COMPOSITE SHEET, AND MOLDED BODY

Resumen de: US2025242573A1

Provided is a composite sheet containing a thermoplastic resin composition (X) and inorganic fibers (Y), in which the thermoplastic resin composition (X) contains a thermoplastic resin and a thermally expandable flame retardant, and the composite sheet has a density of 1.3 g/cm3 or less. It is possible to provide a composite sheet having high flame shielding property and light weight property.

NOTCHING SYSTEM AND NOTCHING METHOD

Resumen de: US2025242444A1

A notching system includes a frame; a power portion installed on the frame and configured to generate a rotational force at a speed synchronized with a movement speed of an electrode sheet; a jig installed on the frame and configured to rotate while being in contact with one surface of the electrode sheet by receiving the rotational force from the power portion; a close contact portion installed on the frame and configured to maintain contact between the jig and the electrode sheet passing through a notching area by being in contact with and supporting the other surface of the electrode sheet; and a laser irradiation portion installed on the frame and configured to irradiate the electrode sheet with a laser beam through a notching hole.

Carbon Black Reactor Having Cooling Function

Resumen de: US2025242326A1

A carbon black reactor has a cooling function that does not change the diameter of the combustion port by continuously cooling the combustion port of the reactor. The carbon black reactor includes a body made of a metallic material which has a pair of flanges spaced apart from each other, and a combustion port with a central portion penetrated which combustion gas and feedstock oil are reacted while connecting the spaced flanges. A plurality of injection nozzles are configured to inject a feedstock oil into the combustion port, and a pair of cooling rooms are respectively provided on an inner plate surface of the flange facing each other A distribution cooling pipe surrounds an outer circumferential surface of the combustion port to be spaced apart to form a flow path, and is partitioned into a first supply flow path and a second supply flow path through a partition panel.

ELECTROLYTE SOLUTION, SECONDARY BATTERY, BATTERY MODULE, BATTERY PACK, AND ELECTRICAL DEVICE

Resumen de: US2025246672A1

This application relates to the technical field of lithium-ion batteries, in particular to a lithium-ion battery electrolyte solution, a secondary battery, a battery module, a battery pack, and an electrical device. The lithium-ion battery electrolyte solution includes a lithium salt, an organic solvent and an additive. The additive includes acompound represented by Formula I: where R1 to R4 are each independently selected from a hydrogen atom, a halogen atom, a nitrate ester group, a nitrite ester group, a substituted or unsubstituted C1 to C12 alkyl, and a substituted or unsubstituted C1 to C12 alkoxy, provided that at least one of R1 to R4 is a nitrate ester group. This application solves the problems of poor solubility of existing additives and low conductivity of a formed solid electrolyte interphase (SEI).

VEHICLE SUBSTRUCTURE

Resumen de: US2025246735A1

A vehicle substructure includes: a battery cell; a housing case having an opening and accommodating the battery cell; a cover attached to the housing case in a state of covering the opening; a junction box, provided on top of the cover, for controlling the battery cell; a supply pipe for supplying a refrigerant for cooling the junction box and the battery cell; a first member covering the supply pipe, a second member for blocking an opposing surface where the supply pipe and the junction box face each other; and a third member for blocking an opposing surface where the supply pipe and the battery cell face each other.

Electrode Assembly, Electrode Assembly Manufacturing Method, Secondary Battery, Battery Pack, And Vehicle

Resumen de: US2025246785A1

An electrode assembly includes a first electrode, a separator, and a second electrode sequentially stacked. The first electrode includes a current collector and a first active material layer and a second active material layer each provided on first and second surfaces of the current collector. One end portion of the first electrode includes a single-sided coated portion where the first active material layer is provided on the first surface of the current collector and the second active material layer is not provided on the second surface. The electrode assembly includes a swelling tape covering a boundary between the first active material layer of the single-sided coated portion and the uncoated portion.

ELECTRODE ASSEMBLY FOR RECHARGEABLE BATTERY

Resumen de: US2025246786A1

An electrode assembly of a rechargeable battery includes a positive electrode plate, a negative electrode plate, and a separator positioned between the electrode plates. Each of the electrode plates includes an electrode substrate, a first active material layer formed on a first surface of the electrode substrate, a second active material layer formed on a second surface of the electrode substrate, a first lamination tape attached to an end portion of the first active material layer, and a second lamination tape attached to an end portion of the second active material layer. The first lamination tape and the second lamination tape each include a protruding portion that protrudes beyond an end of the electrode substrate.

ENERGY STORAGE CABINET AND ENERGY STORAGE SYSTEM

Resumen de: US2025246740A1

An energy storage cabinet comprises a housing, an energy storage module, and a battery management device. An accommodating space is defined in the housing, and the energy storage module is arranged in the accommodating space. The battery management device is arranged in the accommodating space, the battery management device is used for managing the energy storage module, and the battery management device comprises a supporting frame and a plurality of electrical elements. The supporting frame is arranged with an open side, and the plurality of electrical elements are mounted on the open side.

METHOD FOR PRODUCING LEAD MEMBER-EQUIPPED ELECTROCHEMICAL DEVICE ELECTRODE, AND METHOD FOR PRODUCING ELECTROCHEMICAL DEVICE

Resumen de: US2025246376A1

A method for producing a lead member-equipped electrochemical device electrode includes: preparing a slurry including activated carbon and a binder, and a surface-roughened current collecting foil; applying the slurry to a surface of the current collecting foil, and drying the slurry to form an active layer, thus obtaining an electrode; and connecting the electrode and a lead member to each other. During the application of the slurry to the current collecting foil, the application is performed intermittently to form, on a portion of the electrode, a non-applied region where the surface of the current collecting foil is exposed, during the connecting of the electrode and the lead member, the lead member is attached to the non-applied region, the binder includes an elastomer, and a content of the elastomer in the active layer is greater than 0.25 mass % and less than 3 mass %.

CATHODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY INCLUDING THE SAME

Resumen de: US2025246621A1

A cathode active material for a lithium secondary battery according to embodiments of the present disclosure includes a lithium-transition metal oxide including a transition metal including nickel (Ni). A molar ratio of lithium to elements except for lithium and oxygen in the lithium-transition metal oxide is 1.04 to 1.08, and a molar fraction of cobalt (Co) in the transition metal is 0.05 or less. A lithium secondary battery including the cathode active material for a lithium secondary battery and having improved structural stability and charge/discharge efficiency is provided.

SECONDARY BATTERY

Resumen de: US2025246667A1

A secondary battery includes an electrode assembly including a negative electrode plate including a negative electrode leading end uncoated portion, a positive electrode plate including a positive electrode leading end uncoated portion, and an anti-deformation portion attached to the positive electrode leading end uncoated portion, an end of the positive electrode leading end uncoated portion and an end of the anti-deformation portion being located ahead of an end of the negative electrode leading end uncoated portion, a case accommodating the electrode assembly, and electrically coupled to the negative electrode plate, and a cap assembly sealing the case.

POSITIVE ELECTRODE ACTIVE MATERIALS, POSITIVE ELECTRODES, AND RECHARGEABLE LITHIUM BATTERIES

Resumen de: US2025246600A1

A positive electrode active material includes a first positive electrode active material including a layered lithium nickel-manganese-based composite oxide, the first positive electrode active material being in a form of secondary particles in which a plurality of primary particles are agglomerated. The positive electrode active material also includes a second positive electrode active material including a lithium-manganese-rich composite oxide in which a molar ratio of lithium to a total metal content of the lithium-manganese-rich composite oxide excluding lithium is about 1.1 to about 3 and a manganese content based on 100 mol % of a total metal content of the lithium-manganese-rich composite oxide excluding lithium is greater than or equal to about 60 mol %, and the second positive electrode active material being in a form of single particles. The positive electrode active material according to some embodiments maximizes capacity while minimizing production cost, ensures long cycle-life, and improves high-voltage characteristics and high-temperature storage characteristics. A rechargeable lithium battery using the positive electrode active material can exhibit high initial charge and discharge capacity and efficiency even under high-voltage operating conditions, and can realize high energy density and long cycle-life characteristics due to high pellet density.

COATING DIE AND COATING DEVICE

Resumen de: US2025242377A1

The present application discloses a coating die and a coating device. The coating die comprises a die body, a plurality of driving assemblies and a plurality of adjusting members. The die body is provided with a discharge channel communicated to the outside, and the die body is further provided with a communicating pore communicated to the discharge channel; the driving assemblies are detachably connected to the die body; and at least a part of each adjusting member is disposed in the discharge channel, the plurality of adjusting members are all connected to the corresponding driving assemblies through the communicating pore, the driving assemblies are used for driving the adjusting members to move in the discharge channel, and the plurality of adjusting members are arranged in a first direction, the first direction being perpendicular to a movement direction of the adjusting members.

CATALYST FOR MANUFACTURING CARBON NANOTUBES AND METHOD OF MANUFACTURING CARBON NANOTUBES

Resumen de: US2025242337A1

One embodiment of the present disclosure provides a method of preparing a catalyst for manufacturing carbon nanotubes, which includes: (a) dissolving a metal precursor in a solvent to prepare a precursor solution; (b) thermally decomposing the precursor solution by spraying the precursor solution into a reactor; and (c) obtaining a catalyst, wherein the catalyst includes a metal component represented by the following Chemical Formula 1:Cox:M1,Zry: M2z  Chemical Formula 1wherein Co represents cobalt or oxides or derivatives thereof, M1 represents at least one metal, or oxides or derivatives thereof, selected from Al, Ca, Si, Ti, and Mg, Zr represents zirconium, or oxides or derivatives thereof, M2 represents at least one metal, or oxides or derivatives thereof, selected from W, V, Mn, and Mo, x/y satisfies 0.2≤x/y≤2.6, and x/z satisfies 6≤x/z≤13.

VIRTUALIZED BATTERY RESOURCES FOR GRID SERVICE PARTICIPATION

Resumen de: US2025245759A1

Certain aspects of the present disclosure relate to virtualizing battery resources for grid service applications. In particular, some of these aspects provide a method for configuring a plurality of virtual energy storage devices in an energy storage device of a fixed energy storage system; and performing two or more grid services concurrently with two or more virtual energy storage devices of the plurality of virtual energy storage devices.

CONTROLLING LI-ION BATTERY SYSTEMS

Resumen de: US2025244732A1

Methods are disclosed of controlling operation of a Li-ion battery system. Such methods include obtaining a predicted state of the Li-ion battery system from a reduced order model either with degradation (in first methods) or without degradation (in second methods), and correcting said predicted state by applying a Kalman filter to the predicted state and battery measurements such that an improved predicted state is generated. In second methods, degradation is modelled through degradation model separated or independent from reduced order model without degradation. Li-ion battery system is controlled based on the improved predicted state of the Li-ion battery system. Systems, computing systems and computer programs are also disclosed which are suitable to perform said methods.

VEHICLE BATTERY HEALTH DIAGNOSTICS BY ELECTRODE POTENTIAL ESTIMATION

Resumen de: US2025244396A1

A system and method for diagnosing vehicle battery health using electrode potential estimation is presented. A first set of anode electrode potentials and a first set of cathode electrode potentials of a pristine vehicle battery cell are determined at a first charge rate. A second set of anode electrode potentials and a second set of cathode electrode potentials of a pristine vehicle battery cell are determined at a second charge rate. A determination of a set of optimized health indicators are made based on the first set of anode electrode potentials, the first set of cathode electrode potentials, the second set of anode electrode potentials, and the second set of cathode electrode potentials. Testing a vehicle battery is administered, based on the optimized health indicators, after a first number of cycles to determine a faulty one or more cells of the vehicle battery.

TRAY AND SECONDARY BATTERY MANUFACTURING APPARATUS

Resumen de: US2025246671A1

A tray that is used in a manufacturing process of a secondary battery and accommodates a plurality of battery cells arranged in an arrangement direction. The tray includes a guide shaft portion extending in the arrangement direction, a plurality of partition plates guided by the guide shaft portion and configured to be moved along the arrangement direction, a pressing mechanism guided by the guide shaft portion and configured to be moved along the arrangement direction, and a collar that is coaxial with the guide shaft portion and disposed between two partition plates adjacent to each other among the plurality of partition plates.

LIQUID ADDITIVE WITH HIGH LITHIUM ION CONDUCTIVITY AND LOW REACTIVITY WITH SOLID ELECTROLYTE, AND ALL-SOLID-STATE BATTERY CAPABLE OF OPERATING AT ROOM TEMPERATURE AND LOW PRESSURE INCLUDING SAME

Resumen de: US2025246673A1

A liquid additive for an all-solid-state battery capable of operating under conditions of room temperature and low pressure, and an all-solid-state battery including the same. Specifically, by adding a liquid additive having low reactivity with a solid electrolyte and high lithium ion conductivity to an anode layer, a cathode layer, or a solid electrolyte layer, ionic conductivity and current density robustness of the all-solid-state battery can be improved under conditions of room temperature and low pressure.

MULTILAYERED ELECTROCHEMICAL CELLS, AND METHODS OF PRODUCING THE SAME

Resumen de: US2025246668A1

In some aspects, an electrochemical apparatus can include an anode current collector, a first anode material disposed on a first side of the anode current collector, and a second anode material disposed on a second side of the anode current collector, the second side opposite the first side. The apparatus further includes a cathode current collector with a first cathode material disposed on a first section of the cathode current collector and a second cathode material disposed on a second section of the cathode current collector. The apparatus further includes a separator folded such that a first portion of the separator is interposed between the first anode material and the first cathode material and a second portion of the separator is interposed between the second anode material and the second cathode material.

LITHIUM BATTERY AND ELECTRIC DEVICE

Resumen de: US2025246688A1

A lithium battery includes a positive electrode plate, a negative electrode plate, a separator, and an electrolyte solution. The negative electrode plate includes a current collector and a negative electrode active material layer disposed on one side surface of the current collector. The electrolyte solution includes a lithium salt, an organic solvent, and an additive. The additive includes a fluorinated carbonate and a nitrile substance. The negative electrode active material layer has a thickness of D1 μm. A particle size is Dv50 μm when a negative electrode active material has a volume cumulative distribution percentage of 50%. A particle size is Dv90 μm when the negative electrode active material has a volume cumulative distribution percentage of 90%. A weight content of the fluorinated carbonate is W0%. A weight content of the nitrile substance is W1%. The lithium battery has a performance factor k, k=(2D1/Dv90+Dv50)/(W0+W1), and 0.5

POSITIVE ELECTRODE ACTIVE MATERIALS, POSITIVE ELECTRODES, AND RECHARGEABLE LITHIUM BATTERIES

Resumen de: US2025246601A1

A positive electrode active material includes a first positive electrode active material including a layered lithium nickel-manganese-based composite oxide, the first positive electrode active material being in a form of secondary particles in which a plurality of primary particles are agglomerated; a second positive electrode active material including a layered lithium nickel-manganese-based composite oxide, the second positive electrode active material having a smaller average particle diameter (D50) than the first positive electrode active material, and the second positive electrode active material being in a form of single particles; and a third positive electrode active material including a lithium-manganese-rich composite oxide in which a molar ratio of lithium to a total metal content of the lithium-manganese-rich composite oxide excluding lithium is about 1.1 to about 3 and a manganese content based on 100 mol % of the total metal content of the lithium-manganese-rich composite oxide excluding lithium is greater than or equal to about 60 mol %, and the third positive electrode active material being in a form of single particles. The positive electrode active material according to some embodiments maximizes capacity while minimizing production cost, ensures long cycle-life, and improves high-voltage characteristics and high-temperature storage characteristics. A rechargeable lithium battery using the positive electrode active material can exhibit high initial charge an

SULFIDE SOLID ELECTROLYTE MANUFACTURING METHOD

Resumen de: US2025246680A1

A method for producing a sulfide solid electrolyte includes: mixing a raw material containing a Li element, a raw material containing a P element, and a raw material containing an S element to obtain a raw material mixture; and heat-treating the raw material mixture. Li2Sx (0.05≤x≤0.95) is used as the raw material containing the S element, the heating treatment is performed while introducing a gas containing an S element, and a cumulative introduction amount Y (mass %) of the S element in the gas containing the S element with respect to a mass of the raw material mixture satisfies a relationship of Y≥x2−6.5x+5.8 with respect to the x in the Li2Sx.

COMPRESSION BASKET FOR LEAD ACID BATTERIES

Resumen de: US2025246689A1

A basket (10) contains and keeps in compression a plate group (100), that is, the set of positive and negative electrodes with interposed the relevant inter-electrode separators; said basket is made of plastic material, chemically resistant to the electrolytic environment of the battery and thermally resistant to the temperatures to which a battery is subjected, to be housed inside the monobloc of 12V lead acid batteries with VRLA AGM technology.

ELECTROCHEMICAL CELL, ELECTROCHEMICAL CELL DEVICE, MODULE, AND MODULE HOUSING DEVICE

Resumen de: US2025246691A1

An electrochemical cell includes a first electrode, a second electrode, a solid electrolyte layer, and an intermediate layer. The solid electrolyte layer is located between the first electrode and the second electrode. The intermediate layer is located between the solid electrolyte layer and the second electrode. The intermediate layer contains at least one selected from the group consisting of Cu, Na, and V as a first element, and contains Ce as a second element.

NEGATIVE ELECTRODE FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY INCLUDING SAME

Resumen de: US2025246624A1

A negative electrode for a rechargeable lithium battery and a rechargeable lithium battery are provided. The negative electrode includes a current collector, and a negative electrode active material layer including a negative electrode active material and a polymer whose volume or length is reduced at a set or predetermined temperature.

APPARATUS AND METHOD FOR DIAGNOSING BATTERY

Resumen de: US2025244395A1

A battery diagnosing apparatus according to an embodiment of the present disclosure includes: a profile acquisition unit that acquires a differential profile representing a correspondence between a voltage and a differential capacity of a battery; a profile correction unit that determines a target C-rate corresponding to the differential profile, and corrects the differential profile based on an overvoltage profile corresponding to the target C-rate, thereby generating a corrected profile; and a control unit that determines a first target peak and a second target peak in the corrected profile, and diagnoses a state of the battery based on a behavior of the first target peak and a behavior of the second target peak.

BATTERY MANAGING APPARATUS AND METHOD THEREOF

Resumen de: US2025244399A1

A battery managing apparatus according to an embodiment of the present disclosure includes a profile acquisition unit configured to acquire a first profile for each of a plurality of batteries included in a battery pack; and a diagnosis unit configured to calculate a target value based on a capacity value for each of the plurality of batteries as a diagnostic factor on a basis of a first target point included in each of the plurality of first profiles, generate a distribution profile indicating a correspondence relationship between a plurality of calculated target values and the number of each of the plurality of target values, determine whether the distribution profile satisfies a predetermined condition, and diagnose a state of the battery pack according to a determination result.

BATTERY DIAGNOSIS METHOD, AND BATTERY DIAGNOSIS DEVICE AND BATTERY SYSTEM PROVIDING SAME METHOD

Resumen de: US2025244394A1

One aspect of the present disclosure includes a battery diagnosis apparatus including a measuring unit configured to measure a battery voltage, a battery current, and a battery temperature, a storage unit configured to store a plurality of internal resistance values calculated based on the battery voltage, the battery current, and an environment data item, which is a factor affecting an internal resistance value, at each diagnosis time of diagnosing defects of the battery, and a control unit configured to extract, at each diagnosis time, a plurality of diagnosis times, and a second condition that the plurality of diagnosis times are previous diagnosis times, calculate a moving average, and diagnose the defects of the battery by comparing the internal resistance value with an upper band threshold larger than the moving average by a predetermined value and a lower band threshold smaller than the moving average by a predetermined value.

APPARATUS AND METHOD FOR PROVIDING BATTERY INFORMATION

Resumen de: US2025244393A1

A battery information providing apparatus according to an embodiment of the present disclosure includes: a profile acquisition unit that acquires a differential profile based on a capacity and a voltage of a battery; and a control unit that determines a target cycle corresponding to the battery and a target C-rate (current-rate) corresponding to the differential profile, and correct the differential profile based on an overvoltage profile corresponding to the target cycle and the target C-rate, thereby generating a corrected profile.

BATTERY PROFILE GENERATING APPARATUS AND BATTERY PROFILE GENERATING METHOD

Resumen de: US2025244390A1

A battery profile generating apparatus includes: a charging/discharging unit configured to charge and discharge a battery; a measurement unit configured to measure battery information that includes at least one of the voltage, current, and temperature of the battery during the charging/discharging process; and a control unit. The control unit is configured to: determine a target temperature and a target C-rate corresponding to charging/discharging conditions based on a preset reference profile that represents the correspondence between a threshold temperature and a threshold C-rate; control the charging/discharging unit to charge or discharge the battery at the target C-rate when the battery temperature corresponds to the target temperature; and generate a battery profile corresponding to the battery based on the battery information.

BATTERY CELL, BATTERY, AND ELECTRICAL DEVICE

Resumen de: US2025246774A1

A battery cell includes an electrode assembly, a shell assembly, and a current collecting component. The electrode assembly includes a first tab. The shell assembly is configured to accommodate the electrode assembly. The shell assembly includes a first electrode lead-out portion. The current collecting component includes a first connecting portion and a second connecting portion connected to each other. The first connecting portion is electrically connected to the first tab. The second connecting portion is welded to the first electrode lead-out portion. A melting point of the second connecting portion is closer to a melting point of the first electrode lead-out portion than a melting point of the first connecting portion.

BATTERY AND ELECTRICAL DEVICE

Resumen de: US2025246753A1

A battery and an electrical device are provided. The battery includes at least one cell group. The cell group includes two cell rows. Each cell row includes at least one cell. Each cell is provided with an electrical connection portion at a side of the cell facing the other cell row in the same group. Each cell is further provided with a pressure relief portion. The pressure relief portion and the electrical connection portion are disposed at different sides of the cell.

CATHODE INTER-CONNECT WITH POLYMER-BASED SCHEMES

Resumen de: US2025246628A1

Methods and devices are provided herein for connecting a plurality of cathode structures to a cathode busbar within an electrode assembly of a secondary battery. Each cathode structure includes a cathode active material layer and a current collector, wherein the cathode current collector has an end portion that extends beyond the cathode active material layer. The end portions of the cathode structures are attached to the cathode busbar via two adhesive polymer strips that enable strong mechanical and electrical connections between the cathode structures and the cathode busbar.

SOLID ELECTROLYTE FOR ALL-SOLID-STATE BATTERY AND ALL-SOLID-STATE BATTERY COMPRISING SAME

Resumen de: US2025246674A1

Disclosed is a solid electrolyte for a solid-state battery, preferably an all-solid-state battery, which may be protected from moisture by chemically reacting a material such as an amphiphilic compound, e.g., a surfactant with a sulfide-containing solid electrolyte, as well as a -solid-state battery comprising the solid electrolyte. The solid electrolyte for the all-solid-state battery is surface-modified with an amphiphilic compound having a hydrophilic group and a hydrophobic group.

BATTERY PACK AND ENERGY STORAGE SYSTEM

Resumen de: US2025246908A1

A battery pack and an energy storage system. The battery pack is configured to supply power to an inverter. The battery pack includes a battery, a conversion circuit, and a black start circuit. The conversion circuit is configured to connect to the inverter through a power bus. The black start circuit includes a first auxiliary power supply, a first capacitor, a switch module, an isolation switch, and a control module.

APPARATUS AND METHOD FOR MANAGING BATTERY

Resumen de: US2025246928A1

In an apparatus for managing a battery and a method thereof, the apparatus includes an charger that charges the battery including two or more battery cells connected in series, and a processor that is configured to control the charger to charge the battery with a first constant current in response to a fast charging request for the battery, monitors one of voltages of the battery cells while fast charging is in progress, and is configured to control charging characteristics of the battery according to a section in a dQ/dV profile to which the cell voltage belongs.

APPARATUS FOR CONTROLLING BATTERY AND METHOD THEREOF

Resumen de: US2025246917A1

In a battery control apparatus and a method thereof, the battery control apparatus may include a plurality of battery packs, and a processor. The processor may determine a target voltage based on obtaining voltage values respectively corresponding to the plurality of battery packs, may identify at least two adjustment battery packs for adjusting a voltage value among the plurality of battery packs based on comparing the target voltage and each of the voltage values, may perform a balancing charging and discharging sequence for adjusting voltage values of the at least two adjustment battery packs to the target voltage, based on performing a preprocessing sequence for battery balancing on the at least two adjustment battery packs, and may adjust the voltage values of the at least two adjustment battery packs within a first predetermined range including the target voltage based on the balancing charging and discharging sequence.

CONNECTOR FOR FPC CIRCUIT OF POWER BATTERY AND INSTALLATION METHOD OF CONNECTOR

Resumen de: US2025246834A1

Provided are a connector for an FPC (flexible printed circuit) of a power battery, and an installation method of the connector. The connector includes a connector body, metal pins are provided at a closed end of the connector body. Two adjacent metal pins are not in communication. A sealing silicone element is fixedly connected with an open end of the connector body. Multiple first FPC holes corresponding to positions of the metal pins are formed in the sealing silicone element. A connector buckle is fixedly sleeved outside the connector body. The sealing silicone element is abutted against a bottom inner wall of the connector buckle. Second FPC holes corresponding to the first FPC holes are formed in a bottom of the connector buckle. A conductor, after passing through the second FPC hole and the first FPC hole, can be in contact and conduction with the corresponding metal pin.

BATTERY AND ELECTRICAL APPARATUS

Resumen de: US2025246714A1

A battery comprises a plurality of battery cells and a heat exchange member. Each battery cell comprises a housing and a pressure relief mechanism, the housing has a first wall and a second wall opposite to each other in a first direction, the pressure relief mechanism is disposed in the first wall, and the plurality of battery cells are arranged at least in a second direction. The heat exchange member is disposed at the side of the plurality of battery cells close to the second walls, the heat exchange member has a heat exchange zone, the heat exchange zone extends in the second direction and a third direction, and the first direction, the second direction and the third direction intersect one another. The heat exchange zone is used for heat exchange with the battery cells, and the second walls of the plurality of battery cells cover the heat exchange zone.

SECONDARY BATTERY AND BATTERY PACK INCLUDING THE SAME

Resumen de: US2025246694A1

A secondary battery including an electrode assembly having a positive electrode, a separator, a negative electrode, and a separator alternately disposed, and a short-circuit part accommodated in the exterior and having electrical conductivity. The short-circuit part is attached to the separator in the electrode assembly. The short-circuit part is spaced apart from the positive electrode tab and the negative electrode tab at a temperature less than a predetermined temperature. The short-circuit part is in contact with the positive electrode tab and the negative electrode tab by contraction of the separator at a temperature equal to or greater than the predetermined temperature to electrically connect the positive electrode tab to the negative electrode tab. A positive electrode tab and a negative electrode tab protrudes protrude from opposite side of the electrode assembly. The second side of the electrode assembly is opposite to the first side of the electrode assembly.

Conformal Solid-State Batteries and Methods for Producing and Using the Same

Resumen de: US2025246687A1

The present disclosure provides a conformal solid-state battery (SSB) and methods for producing and using the same. The SSBs produced using a method of the disclosure have a higher energy and power compared to similar solid-state batteries without conformal electric cells. Due to avoidance of using any liquid electrolytes, SSBs of the disclosure have increased safety, especially in cases of medical implants and/or during catastrophic failures, where reactions of liquid electrolytes with air and/or water can produce toxic and/or poisonous by products.

FLAME-RETARDANT NON-AQUEOUS ELECTROLYTIC SOLUTION AND SECONDARY BATTERY USING SAME

Resumen de: US2025246685A1

Provided are a flame-retardant non-aqueous electrolytic solution which exhibits good flame retardancy and has excellent cycle characteristics and electrical resistance characteristics, and a secondary battery using the flame-retardant non-aqueous electrolytic solution. The flame-retardant non-aqueous electrolytic solution according to the present invention contains at least a non-aqueous solvent and an electrolyte dissolved in the non-aqueous solvent, the non-aqueous solvent contains at least one of phosphoric acid esters of chemical formulae (1) to (3) below, the electrolyte contains at least one of a difluorophosphoric acid salt and a nitric acid salt, and the content of the phosphoric acid ester is 20 mass % or more with respect to the total mass of the flame-retardant non-aqueous electrolytic solution. In the formulae, X1 to X3 each independently represent a hydrocarbon group having 1 to 20 carbon atoms, or the like, and Y1 and Y2 each independently represent a halogen atom.

METHOD AND SYSTEM FOR ESTIMATING ELECTRODE DENSITY IN SECONDARY BATTERIES

Resumen de: US2025244219A1

A method of estimating an electrode density in secondary batteries according to one or more embodiments of the present disclosure includes: preparing an electrode comprising a current collector and first and second coating layers coated on the current collector; measuring first characteristic values of the electrode; removing the first coating layer of the electrode; measuring second characteristic values of the electrode from which the first coating layer has been removed; removing the second coating layer of the electrode from which the first coating layer has been removed; measuring third characteristic values of the electrode from which the first and second coating layer have been removed; and estimating at least one of a density of the first or second coating layer, a thickness of the current collector, or a weight of the current collector, based on the first characteristic values, the second characteristic values, and the third characteristic values.

Holder, Analysis Apparatus Including the Same, and Battery Analysis Method

Resumen de: US2025244264A1

A holder holds a battery which is subjected to X-ray analysis. The battery includes a positive electrode and a negative electrode. A sample chamber for disposing the battery therein is formed inside the holder. The holder includes a body, a beryllium plate, a first resin member, a conductive member, a positive electrode terminal, and a negative electrode terminal. An upper surface of the body is formed with a window. The beryllium plate is arranged in the window. The first resin member is provided on a surface of the beryllium plate. The conductive member is provided between the positive electrode and the first resin member so as to be in contact with the positive electrode of the battery. The positive electrode terminal is electrically connected to the conductive member. The negative electrode terminal is electrically connected to the negative electrode.

PROTECTIVE SULFIDE COATINGS ON SILVER ELECTRODES FOR ELECTROCHEMICAL DEVICES

Resumen de: US2025244134A1

Disclosed herein is a porous substrate having silver and optionally silver oxide and a silver sulfide coating. Also disclosed herein is a battery having a cathode, an anode, and a separator between the cathode and the anode. The cathode includes a substrate having silver and optionally silver oxide and a silver sulfide coating. Also disclosed herein is a method of submerging a substrate having silver and optionally silver oxide in a solution of elemental sulfur in dimethyl sulfoxide to form silver sulfide on the surface of the substrate.

METHOD, DEVICE AND SYSTEM FOR AIRTIGHTNESS TESTING OF BATTERY PACK AND BATTERY PACK

Resumen de: US2025244192A1

The disclosure provides a method, device and system for airtightness testing of a battery pack and a battery pack. The method for airtightness testing includes: placing a gas source device in a battery pack; sealing a case of the battery pack; detecting, in response to meeting a preset condition, concentration of a source gas in the battery pack, and determining whether the battery pack meets the airtightness standard. The system for airtightness testing includes a processor, a gas source device, a gas sensor, a first heating assembly used to heat a battery cell, and a second heating assembly used to heat the source gas. A battery management system can obtain a more accurate airtightness result by detecting the concentration of the source gas.

Rechargeable All-Water Atomic Battery

Resumen de: US2025246614A1

A rechargeable electrochemical system is disclosed that operates using ultra-pure water and a preconditioned electrode without added salts, acids, bases, or catalysts. The electrode is infused with reactive hydrogen species, such as atomic hydrogen, through methods including electrolysis, thermal exposure, or ambient-compatible water jet impact. Upon immersion in ultra-pure water and pairing with a second electrode, the infused electrode induces a spontaneous electrochemical potential. The water, initially non-conductive, becomes weakly alkaline and functions as an electrolyte. The system generates measurable voltage and current under ambient conditions. After discharge, the infused electrode can be restored by reapplying the hydrogen-infusion process or an external potential, enabling repeated charge-discharge cycles. Experimental validation shows consistent electrochemical behavior and power output sufficient for common electronic components. This system offers a scalable, environmentally compatible alternative to conventional batteries and hydrogen energy systems, enabling novel electrochemical operation under benign conditions and opening pathways in low-energy nuclear processes.

NON-AQUEOUS ELECTROLYTE AND NON-AQUEOUS ELECTROLYTE BATTERY

Resumen de: US2025246686A1

Provided are: a non-aqueous electrolyte solution that can improve the charged storage characteristics of a non-aqueous electrolyte battery under a high-temperature environment while containing FSO3Li; and a non-aqueous electrolyte battery having excellent charged storage characteristics under a high-temperature environment. The non-aqueous electrolyte solution contains FSO3Li and a specific amount of ions of a specific metal element.

NONAQUEOUS ELECTROLYTE SECONDARY BATTERY

Resumen de: US2025246684A1

This nonaqueous electrolyte secondary battery is provided with: an electrode body that comprises a first electrode and a second electrode, an electrolyte solution; and an outer package. The first electrode has a rectangular shape, and comprises a collector and a mixture layer that is formed on the surface of the collector; the mixture layer has a first region, a second region and a third region sequentially from one end toward the other end in the short-side direction of the first electrode; the respective widths of the first and the third region in the short-side direction of the first electrode are 1% to 20% of the length of the first electrode in the short-side direction; the mixture layer contains an electrolyte salt; and the respective contents of the electrolyte salt in the first and the third region are higher than the content of the electrolyte salt in the second region.

ELECTRODE FOR ALL-SOLID-STATE BATTERY

Resumen de: US2025246677A1

An electrode and an all-solid-state battery including the same are provided The electrode comprises granules including an active material, a conductive material, and a binder; and a sulfide-based solid electrolyte coated on the granules, wherein the conductive material is carbon black having an average particle diameter of 120 nm to 200 nm and the carbon black agglomerates to form secondary particles having a particle size of 600 nm to 1,100 nm. The granules in the electrode have high electrical conductivity and provide improved performance of the all-solid-state battery.

ELECTROLYTE SOLUTION FOR LITHIUM SECONDARY BATTERY AND METHOD OF PREPARING SAME

Resumen de: US2025246682A1

The present disclosure is an electrolyte solution for a lithium secondary battery and a method of preparing the same. The electrolyte solution enhances the output performance and high-temperature life characteristics of a lithium secondary battery, especially a lithium secondary battery including LiFePO4 (LFP)-based positive electrode active material, using 1-(trimethylsilyl)-1H-benzotriazole and similar additives.

COMPOSITE SOLID ELECTROLYTE, METHOD OF PREPARING COMPOSITE SOLID ELECTROLYTE, AND LITHIUM BATTERY INCLUDING COMPOSITE SOLID ELECTROLYTE

Resumen de: US2025246678A1

A composite solid electrolyte, a method of preparing the same, and a lithium battery including the same, wherein the composite solid electrolyte includes a first solid electrolyte and a second solid electrolyte. The first solid electrolyte includes a cubic garnet phase and a pyrochlore phase and the second solid electrolyte includes lithium haloboracite. A volume of the first solid electrolyte is greater than a volume of the second solid electrolyte based on a total volume of the composite solid electrolyte and the lithium haloboracite includes chlorine, bromine, iodine, or a combination thereof.

Electrolyte for Lithium Secondary Battery and Lithium Secondary Battery Including the Same

Resumen de: US2025246683A1

Provided are an electrolyte for a secondary battery including a lithium salt, a nonaqueous organic solvent, and a cyclic fluorophosphonate compound, and a lithium secondary battery including the same.

ELECTRODE PLATE AND BATTERY CELL, BATTERY AND ELECTRICAL DEVICE RELATED THERETO

Resumen de: US2025246626A1

A battery cell includes an electrode plate. A battery includes the battery cell and an electrical device includes the battery. The electrode plate includes a current collector and an active substance layer disposed on at least one surface of the current collector. The active substance layer includes an active substance and an ether polymer, and the active substance layer satisfies Formulas (1) to (3).λ=1-P1P2Formula⁢(1)v=π×(d2)2×h×ρtFormula⁢(2)v/λ>1.Formula⁢(3)

CEMENT-BASED BATTERY AND METHOD FOR MANUFACTURING THEREOF

Resumen de: US2025246690A1

Disclosed are a cement-based battery and a method for manufacturing thereof. The cement-based battery includes a waterproof structure, a battery body, a positive electrode, a negative electrode, and an electrolyte solution. The waterproof structure is provided with an accommodating cavity. The battery body is disposed in the accommodating cavity, and includes a cement-based body, which is obtained by curing a solid-liquid mixture, wherein the solid-liquid mixture includes cement, a first porous material, and a first effective microorganism aqueous solution. The positive electrode and the negative electrode are connected to the battery body respectively and extend out of the waterproof structure. The electrolyte solution is disposed in the accommodating cavity. Therefore, the cement-based battery can be applied to a cement building as an energy storage battery to provide power at night, during power outages or during emergencies.

Solid Electrolytes, Batteries, and Methods

Resumen de: US2025246679A1

Electrolytes, methods of preparing electrolytes, and batteries include electrolytes. Electrolytes may include a material of formula (I), LiaPS4-xOx, wherein x is 0

BATTERY ARRAY DESIGNS FOR IMMERSION COOLING AND VENTING SYSTEMS

Resumen de: US2025246715A1

Immersion cooling and venting systems are provided for managing thermal energy levels of traction battery packs. A battery array of the traction battery pack may be configured to establish fluidly isolated cooling fluid flow paths and vent flow gas paths. A cooling fluid (e.g., a dielectric) may be communicated through the cooling fluid flow paths for immersion cooling battery cells of the battery array. The vent flow gas paths may be established by battery holders and battery stands that space the battery cells apart from a middle cooling plate of the battery array.

METAL EXTRACTANT AND SEPARATION RECOVERY METHOD OF METAL IONS USING METAL EXTRACTANT

Resumen de: US2025243560A1

Provided are a metal extractant for extracting metal ions present in a water phase to an oil phase, and a separation recovery method of metal ions. In the metal extractant, nitrogen atoms positioned at both terminals of a molecular chain forming the metal extractant do not form a carbamoyl bond and include an unsubstituted hydrocarbon group and a group including and any coordinating functional group in a group G1 of coordinating functional groups below as a coordinating functional group (a) for metal ions to be extracted, or include an unsubstituted hydrocarbon group. The separation recovery method includes mixing an oil phase including the metal extractant and a water phase including plural kinds of metal ions.

Monolithic wafer-like cathode synergically grown from poly-crystalline and amorphous glass-like domains and method of producing thereof

Resumen de: US2025243604A1

A method for preparing a chalcogenide/sulfur cathode for an alkali metal secondary battery, where sulfur and/or other chalcogenide and/or mixtures represents both active mass and removable template/porogen, where the content of active mass is defined by the glassy sulfur and porosity is dictated by the crystalline phase template, with the steps of growing a chalcogenide/sulfur wafer, comprising tailored content of glass/polymeric and crystalline allotropes, having a specific presence/gradients/areal distribution of crystalline to glassy/polymeric allotropes, and removing the crystalline allotropes-template/porogen of chalcogenide/sulfur from the chalcogenide/sulfur glass-crystalline wafer by immersion in a solvent, creating a defined porosity within the wafer by etching crystalline phase out from glass-crystalline wafer-like cathode and leaving 3D glassy/polymeric chalcogenide/sulfur in a further incubation stage due the meta-stability of glass/polymer allotrope transition into gamma monoclinic sulfur with trace amounts of glass/polymer allotropes is created, crosslinked with graphene based and or other suitable co-monomer(s) or capping agents.

ELECTRIC POWER ARRANGEMENT FOR PROPULSION

Resumen de: US2025243776A1

An electric motor drive system for a propulsion device. The system includes a battery stack having an earth terminal and an end terminal and an electric motor electrically connected to be powered by the battery stack. The motor is configured to be connected to drive the propulsion device, The system also includes: a power converter electrically connected between the battery stack and the electric motor; and a switch between the power converter and the battery stack. The switch is arranged to switch between a first state electrically connecting the end terminal of the battery stack to the power converter to provide a maximum battery voltage to the power converter, and a second state electrically connecting a tap point from one or more intermediate nodes, intermediate the earth terminal and the end terminal, of the battery stack, to provide a voltage less than the maximum battery voltage to the power converter.

BATTERY SELF-HEATING SYSTEM, ELECTRICAL DEVICE, AND VEHICLE

Resumen de: US2025242723A1

A battery self-heating system, an electrical device, and a vehicle are disclosed. The system includes a first battery, a second battery, a converter, a motor, and first and second switch devices. The first and second batteries are connected via the first switch device, and their negative electrodes are connected to a first terminal of the converter. The second switch device is positioned between the negative electrode of the first battery and the converter. One positive electrode is connected to the motor, and the other to a second terminal of the converter. By controlling the motor and converter, the batteries alternately charge and discharge, generating an oscillating current for self-heating. This improves heating efficiency without the need for external heating devices, reducing system cost.

ENERGY STORAGE SYSTEM AND POWER SUPPLY SYSTEM

Resumen de: US2025246717A1

An energy storage system and a power supply system. The energy storage system includes a battery pack, a power conversion component, a first liquid runner, a second liquid runner, a first drive apparatus, a second drive apparatus, and a liquid dispenser. The first liquid runner is in contact with the battery pack in a thermally conductive manner, and the first drive apparatus communicates with the first liquid runner. The second liquid runner is in contact with the power conversion component in a thermally conductive manner, and the second drive apparatus communicates with the second liquid runner. The liquid dispenser separately communicates with the first liquid runner and the second liquid runner. When the liquid dispenser is in a first working state, the first liquid runner is isolated from the second liquid runner.

SECONDARY BATTERY, BATTERY MODULE, BATTERY PACK, AND ELECTRICAL DEVICE

Resumen de: US2025246693A1

This application provides a secondary battery, a battery module, a battery pack, and an electrical device. The secondary battery includes a positive electrode plate and an electrolyte solution. The electrolyte solution contains a film-forming additive. A film resistance xΩ of the positive electrode plate and a mass percent y % of the film-forming additive based on a total mass of the electrolyte solution satisfy: x×y≤25. The film resistance and the film-forming additive of the secondary battery provided in this application satisfy the above relationship. Regulating the film resistance and the film-forming additive of the secondary battery as disclosed enhances the Coulombic efficiency, high-temperature cycle performance, and high-temperature storage performance of the battery.

LITHIUM SECONDARY BATTERY

Resumen de: US2025246725A1

A lithium secondary battery is provided. The lithium secondary battery includes an electrode assembly accommodated inside a battery case. The battery case has two or more storage spaces separated by at least one partition wall, and each storage space accommodates at least one electrode assembly. The partition wall sequentially includes a first sealing layer, a first metal layer, and a second sealing layer.

TRACTION BATTERY PACK THERMAL MANAGEMENT FLUID GUIDING SYSTEM AND METHOD OF GUIDING THERMAL MANAGEMENT FLUID

Resumen de: US2025246716A1

A traction battery pack assembly including an enclosure, a cell stack within an interior of the enclosure. The cell stack includes a plurality of battery cells disposed along a cell stack axis. Each of the battery cells has a vent. A plurality of standoffs support the cell stack within the enclosure. The plurality of standoffs are configured to guide a liquid coolant of an immersion thermal management system within the interior. The plurality of standoffs are disposed along the cell stack axis at positions that are axially misaligned with the vents.

POLYMER, ELECTRODE PLATE AND ASSOCIATED BATTERY CELL, BATTERY AND ELECTRICAL DEVICE

Resumen de: US2025246630A1

A battery includes a battery cell including a positive electrode plate and a negative electrode plate. At least one of the positive electrode plate or the negative electrode plate includes a polymer that includes an aldehyde ketone polymer. The aldehyde ketone polymer has a slope K of an elastic modulus G′-loss modulus G″ curve that is measured by subjecting a sheet-like structure formed of the aldehyde ketone polymer to dynamic frequency scanning tests at (Tm+20)° C., and 0.8≤K<∞, where Tm° C. represents the melting temperature of the aldehyde ketone polymer.

BATTERY TEMPERATURE ADJUSTMENT SYSTEM AND BATTERY TEMPERATURE ADJUSTMENT METHOD

Resumen de: US2025242719A1

A battery temperature adjustment system is configured to adjust a temperature of an electricity storage device mounted on a vehicle. The battery temperature adjustment system includes a temperature adjustment device configured to adjust a temperature of the electricity storage device and a processor configured to control the temperature adjustment device. A setting mode of the temperature adjustment device includes a first mode and a second mode.

DUAL DYNAMIC WIRELESS CHARGING

Resumen de: US2025242705A1

A dual dynamic wireless charging system for battery-dominant vehicles is provided, including for example battery electric vehicles (BEVs), fuel cell electric vehicles (FCEVs), and hybrid-electric vehicles (HEVs). The dynamic wireless charging system includes a transmitter coil installed on a transmitter vehicle, the transmitter coil being inductively coupled to a receiver coil installed on a receiver vehicle. Power transfer is achieved wirelessly while both vehicles are in motion, such that the receiver vehicle does not come off-mission. The transmitter vehicle and the receiver vehicle can travel in a side-by-side configuration, being parallel to each other in adjacent lanes. In other embodiments, a lead-and-follow configuration is used in place of a side-by-side configuration. Vehicle-to-vehicle communications ensure rapid adjustments to speed and trajectory, allowing seamless alignment despite variations in roadway conditions and traffic.

BATTERY TEMPERATURE ADJUSTMENT SYSTEM AND BATTERY TEMPERATURE ADJUSTMENT METHOD

Resumen de: US2025242720A1

A battery temperature adjustment system includes: a temperature adjustment device adjusts a temperature of a power storage device; and a processor. A setting mode of the temperature adjustment device includes: a first mode that is a setting in which, in response to a travel route including a charging facility, the temperature is adjusted within a first temperature range suitable for charging at a time of arrival at the facility; and a second mode that is a setting in which, in response to receiving a predetermined operation for adjusting the temperature within a second temperature range suitable for charging or traveling, the temperature is adjusted within the second temperature range. The processor controls the temperature adjustment device to adjust the temperature according to the setting mode; and when the setting mode is the first mode, give priority to the second mode in a case where the predetermined operation is received.

Composition

Resumen de: US2025243381A1

A particulate coating composition, and preferably a powder coating composition, is disclosed. The particulate coating composition includes an epoxy resin and a curing agent, wherein the curing agent comprises an imidazoline ring. Additionally, the particulate coating composition includes a filler and a degassing agent, preferably benzoin, wherein the total amount of epoxy binder system, and wherein said system includes the epoxy resin and the curing agent, is 40-99 wt %, based on the total weight of the particulate coating composition.

DETERMINING SUPER FRAME PACKET GENERATION TIMES

Resumen de: US2025242718A1

In examples, a vehicular battery management system (BMS) comprises a set of battery cells and a secondary network node coupled to the set of battery cells. The secondary network node is configured to measure a parameter in the set of battery cells and generate a packet containing the parameter. The packet indicates a number of super frame slots that have elapsed from a start time of a super frame to the generation of the packet. The secondary network node is configured to wirelessly transmit the packet within the super frame to a primary network node. The primary network node is configured to wirelessly receive the packet and to determine a time at which the secondary network node generated the packet based on the indication, a time duration of each slot in the super frame, and the start time of the super frame.

ELECTRODE, NEGATIVE ELECTRODE ACTIVE MATERIAL, NEGATIVE ELECTRODE, SECONDARY BATTERY, MOVING VEHICLE, ELECTRONIC DEVICE, METHOD FOR FABRICATING NEGATIVE ELECTRODE ACTIVE MATERIAL, AND METHOD FOR FABRICATING NEGATIVE ELECTRODE

Resumen de: US2025246612A1

A negative electrode with little deterioration is provided. A novel negative electrode is provided. A power storage device with little deterioration is provided. A novel power storage device is provided. The electrode contains silicon, graphite, and a graphene compound. A silicon particle with a particle diameter of less than or equal to 1 μm is attached to a graphite particle with a particle diameter 10 times or more that of the silicon particle. The graphene compound is in contact with the graphite particle so as to cover the silicon particle.

LITHIUM BATTERY AND ELECTRICAL DEVICE

Resumen de: US2025246609A1

A lithium battery comprises a positive pole piece, a negative pole piece, and an electrolyte. The negative pole piece comprises a negative current collector and a negative active material layer arranged on the surface of the negative current collector. The negative active material layer comprises a negative active material. The single-sided surface density of the negative electrode active material layer is A mg/cm2, the thickness of the negative electrode active material layer is D μm, the specific surface area of the negative electrode active material is S m2/g, and the viscosity of the electrolyte at 25±2° C. is δ mPa·s. The negative pole piece and the electrolyte satisfy the following relational expression: 1≤(δ×A2)/(D×S)≤15.

CATHODE ACTIVE MATERIAL COATING ON CARBON STRUCTURES FOR BATTERIES

Resumen de: US2025246607A1

This disclosure provides systems, methods, and apparatus related to battery components and methods of making thereof. In one aspect, a method includes depositing a polymer coating on cathode material particles to be used in a battery. The polymer coating gives the cathode material particles a positive charge. The cathode material particles are mixed with carbon structures. The carbon structures have a negative charge. The cathode material particles become attached to surfaces of the carbon structures.

POSITIVE ELECTRODE ACTIVE MATERIALS, PREPARATION METHODS THEREOF, POSITIVE ELECTRODES, AND RECHARGEABLE LITHIUM BATTERIES

Resumen de: US2025246608A1

A positive electrode active material includes core particles including lithium cobalt-based composite oxide; and a coating layer located on the surface of the core particle and including a lithium iron phosphate-based compound and aluminum. The positive electrode active material according to some embodiments has long cycle-life characteristics and improved stability even at high voltage. When the positive electrode active material is applied to a rechargeable lithium battery, suitably high initial charge/discharge capacity and efficiency may be achieved under high-voltage operating conditions, and suitably long cycle-life characteristics may be realized under high-voltage and high-temperature conditions.

HOUSING, BATTERY CELL, BATTERY, AND ELECTRIC DEVICE

Resumen de: US2025246723A1

Provided are a housing, a battery cell, a battery, and an electric device, which relate to the field of battery technologies. The housing includes a bottom plate, a side plate, and a transition rounded corner. The bottom plate has a first inner wall surface. The first inner wall surface includes a first surface and a second surface. The second surface is located at an outer peripheral side of the first surface. The side plate has a second inner wall surface. The transition rounded corner has a third inner wall surface. The first surface and the second surface are connected to each other by the third inner wall surface. At least one of the second surface and the third inner wall surface has an avoidance recess configured to avoid an edge of the cell.

BATTERY MODULE

Resumen de: US2025246720A1

A battery module configured to block heat propagation in response to an event occurring in a battery cell. The battery module includes battery cells arranged in one direction and at least one insulating spacer between the battery cells. The insulating spacer includes a pouch region having a space defined therein and a phase change material configured to fill at least a part of the space.

BATTERY PACK STRUCTURE

Resumen de: US2025246719A1

The battery pack structure includes: a first battery pack in which a first battery module including a plurality of stacked battery cells is housed in a first case and a first cover that seals the first case from above; and a second battery pack located below the first battery pack, wherein a second battery module including a plurality of stacked battery cells is housed in a second case and a second cover that seals the second case from below.

HEAT TRANSFER DEVICE AND SECONDARY BATTERY INCLUDING THE HEAT TRANSFER DEVICE

Resumen de: US2025246708A1

A heat transfer device and a secondary battery including the heat transfer device are provided. The heat transfer device includes a body installed between a casing of a secondary battery and a joint that is between a current collector and a subplate in the secondary battery. The body includes a first contact surface in contact with the joint to receive heat from the joint, and a second contact surface formed opposite to the first contact surface, the second contact surface being in contact with the casing to transfer heat from the first contact surface to the casing. A secondary battery can include the heat transfer device, and a vehicle can include the secondary battery.

ELECTRODE FOR RECHARGEABLE BATTERY

Resumen de: US2025246598A1

An electrode for a rechargeable battery includes a substrate having an electrode uncoated region, and an active material layer forming an active electrode region on the substrate, the active material layer having an end portion that has an inclined surface with respect to the substrate. An auxiliary layer is formed on the inclined surface of the active material layer, wherein the auxiliary layer includes an active material and a resin.

SPECTROSCOPIC SENSORS AND METHODS OF USING THE SAME

Resumen de: US2025246699A1

A system comprising one or more spectrometers coupled to one or more battery cells, wherein the one or more spectrometers generate one or more electrical signals in response to an incident source in proximity to the one or more battery cells, and wherein the electrical signals comprise spectral data associated with emissions from the one or more battery cells. The system further comprising a computing device configured to receive the spectral data and one or more operating variables, compare the spectral data with reference spectral data and the one or more operating variables, and determine a presence of abnormal operating conditions of the one or more battery cells based on the comparison.

FIBER-REINFORCED RESIN COMPOSITE MATERIAL AND MOLDED BODY USING SAME

Resumen de: US2025243334A1

Provided is a fiber-reinforced resin composite material containing a thermoplastic resin composition (X) and an inorganic fiber material (Y), in which the thermoplastic resin composition (X) contains a thermoplastic resin and a phosphorus-based flame retardant, the phosphorus-based flame retardant contains an intumescent flame retardant, and the inorganic fiber material (Y) has an elongation at maximum load of 5% or less.

Cell Slitting Method and Slitting Device

Resumen de: US2025242579A1

The present application discloses a cell slitting method and a slitting device. The cell slitting method includes: controlling a pressing plate to tightly press a lamination unit on a cell support table, and controlling the slitting device to slit multiple layers of membranes of the lamination unit according to a pre-set slitting line to obtain m×n independent cell bodies. With respect to the existing slitting device using the mode of cutting off a single cell single-layer tail membrane, according to the present application, the slitting device slits the lamination unit according to a pre-set slitting line such that m×n independent cell bodies can be obtained by simultaneously cutting off multiple layers of membranes, which greatly improves the slitting efficiency and improves the production efficiency of cells.

Method and Device for Stacking Cell Pole Pieces

Resumen de: US2025242580A1

The present application discloses a method and device for stacking cell pole pieces. The first mechanical hand simultaneously grabs corrected m×n first pole pieces from the first position correction platform, and simultaneously places the m×n first pole pieces on a separator of the same lamination table in m rows and n columns for lamination, and the second mechanical hand simultaneously grabs corrected mxn second pole pieces from the second position correction platform and simultaneously places m×n second pole pieces on a separator on the same lamination table in m rows and n columns for lamination. By simultaneously laminating m×n pole pieces on the same lamination table in an arrangement of m rows and n columns, multiple pole pieces can be stacked at one time, so as to improve the lamination efficiency.

METHOD FOR DERATING BATTERY CHARGING POWER AND BATTERY PACK TO WHICH THE METHOD IS APPLIED

Resumen de: US2025242717A1

A method for derating a charge power of a battery, includes: obtaining altitude data of a vehicle; obtaining descent speed data of the vehicle; calculating, based on the altitude data and the descent speed data, a prediction value of an increase in a charging current of the battery equipped in the vehicle due to regenerative braking; and derating the charging power of the battery based on the calculated prediction value.

GLYONIC LIQUIDS AND USES THEREOF

Resumen de: US2025243232A1

The present invention provides ionic liquids (ILs) comprising a carbohydrate anionic moiety and a cationic counter-ion moiety (Q+) and methods for producing and using the same. In one particular embodiment, the carbohydrate anionic moiety portion of ILs of the present invention is of the formula:G-L−  Iwherein G is selected from the group consisting of a monosaccharide, a disaccharide, a trisaccharide, and a derivative thereof; and L is a moiety selected from the group consisting of:wherein each of Ra, Rb, and Rc is independently hydrogen, C1-18 alkyl, or C2-20 mono- or di-unsaturated alkenyl; A− is —CO2−, —PO3H−, or —SO3−; and each of * marked carbon atom is independently a chiral center when said carbon atom has four different groups attached thereto.

ELECTROCHEMICAL SYSTEMS WITH IONICALLY CONDUCTIVE AND ELECTRONICALLY INSULATING SEPARATOR

Resumen de: US2025246757A1

Provided are separator systems for electrochemical systems providing electronic, mechanical and chemical properties useful for a variety of applications including electrochemical storage and conversion. Embodiments provide structural, physical and electrostatic attributes useful for managing and controlling dendrite formation and for improving the cycle life and rate capability of electrochemical cells including silicon anode based batteries, air cathode based batteries, redox flow batteries, solid electrolyte based systems, fuel cells, flow batteries and semisolid batteries. Disclosed separators include multilayer, porous geometries supporting excellent ion transport properties, providing a barrier to prevent dendrite initiated mechanical failure, shorting or thermal runaway, or providing improved electrode conductivity and improved electric field uniformity. Disclosed separators include composite solid electrolytes with supporting mesh or fiber systems providing solid electrolyte hardness and safety with supporting mesh or fiber toughness and long life required for thin solid electrolytes without fabrication pinholes or operationally created cracks.

BATTERY MODULE, APPARATUS AND METHOD FOR MANUFACTURING SAID BATTERY MODULE, AND METHOD OF DISASSEMBLING SAID BATTERY MODULE

Resumen de: US2025246749A1

The present disclosure provides a battery module, an apparatus and method for manufacturing said battery module, and a method of disassembling said battery module. The battery module of the present disclosure is comprised of a plurality of pouch battery cells arranged within a structural enclosure, such that the battery module is folded about a plurality of module folding lines to form a folded battery module. Embodiments of the battery module provide improved mechanical strength and stiffness, improved safety, lower weight and cost, and provides further improvements to disassembly and recycling of the battery module.

ELECTRODE PLATE, ELECTROCHEMICAL APPARATUS, AND ELECTRONIC DEVICE

Resumen de: US2025246776A1

An electrode plate includes a current collector, an active substance layer, a tab, and a first insulation adhesive layer. The active substance layer is disposed on surface of the current collector, and the active substance layer is provided with a first groove and a second groove running through the bottom of the first groove to the current collector. The current collector is partially exposed within the second groove. The tab is accommodated in the first groove and the second groove and connected to the current collector. The first insulation adhesive layer is disposed on a side of the first groove facing away from the current collector, and projections of the first insulation adhesive layer and the tab along a thickness direction of the current collector are located within the first groove of the active substance layer.

ALL-SOLID-STATE BATTERY

Resumen de: US2025246675A1

An all-solid-state battery according to an embodiment includes: a solid electrolyte layer; a positive electrode layer and a negative electrode layer disposed with the solid electrolyte layer interposed therebetween; and margin layers disposed at edges of the positive electrode layer and the negative electrode layer, respectively, in a lateral direction, wherein the solid electrolyte layer includes a first solid electrolyte that is glass or glass ceramic that does not contain an element S (sulfur), and the margin layers include a second solid electrolyte that is glass or glass ceramic that contains the element S (sulfur).

THERMAL MANAGEMENT SYSTEMS FOR MANAGING BOTH CONVECTIVE AND CONDUCTIVE HEAT TRANSFER WITHIN TRACTION BATTERY PACKS

Resumen de: US2025246718A1

Thermal management systems are provided for managing thermal energy in a traction battery pack. An exemplary thermal management system may utilize a combination of immersion cooling for limiting convective heat transfer and thermal barriers for limiting conductive heat transfer across one or more cell stacks of the traction battery pack. The immersion cooling may provide an edge cooling scheme in which coolant is directed across minor side surfaces (e.g., top, bottom, and ends) of battery cells of the cell stacks but does not contact major side surfaces (e.g., faces) of the battery cells. The thermal barriers may include a single layer or multiple layers of one or more thermally resistant materials (e.g., mica, aerogel, etc.).

CATHODE MATERIALS HAVING OXIDE SURFACE SPECIES

Resumen de: US2025246616A1

The present disclosure concerns lithium zirconium phosphate (LZP) chemical oxides for coated cathode active materials, which are useful in cathodes (i.e., positive electrodes) of rechargeable lithium-batteries for reversibly storing lithium ions (Li+).

THERMAL SUPPRESSION SYSTEMS FOR USE WITHIN TRACTION BATTERY PACKS

Resumen de: US2025246721A1

Thermal suppression systems are provided for use within traction battery packs. An exemplary thermal suppression system may include one or more thermal suppression containers configured to release a thermal suppression agent when a temperature near the thermal suppression container exceeds a predefined temperature threshold. The thermal suppression agent may capture or trap particles associated with battery vent byproducts, thereby managing or even preventing the transfer of thermal energy to nearby structures.

Negative Electrode Material, Preparing Method Thereof, Negative Electrode Including the Same, and Lithium Secondary Battery Including the Negative Electrode

Resumen de: US2025246606A1

A negative electrode material including an inorganic coating layer, a method of preparing the same, a negative electrode including the negative electrode material, and a lithium secondary battery including the negative electrode. The negative electrode material includes a core containing a silicon oxide particle and at least one selected from among lithium silicate, lithium disilicate, and lithium silicide, and an inorganic coating layer surrounding the core, where the inorganic coating layer includes metal phosphate, a metal phosphate derivative, or a lithium oxide-non-metal phosphate composite.

BATTERY ASSEMBLY AND ASSEMBLING METHOD OF THE SAME

Resumen de: US2025246722A1

The present disclosure relates to a battery assembly including a plurality of battery cells staked and arranged in a predetermined stacking direction, an accommodation case accommodating the plurality of battery cells, an insertion space formed between the plurality of battery cells and the accommodation case in the stacking direction, and an insertion member located in the insertion space, wherein the insertion member includes a support body forming the buffer space, and a rib portion dividing the buffer space into a plurality of divided spaces.

Structures for Mitigating Battery Charge Pad Degradations

Resumen de: US2025242706A1

An apparatus may include a substrate. The apparatus may also include a first charger terminal disposed on the substrate, including silver, and configured to apply a first electric potential to a first battery terminal of a battery. The apparatus may additionally include a second charger terminal disposed on the substrate, comprising silver, and configured to apply a second electric potential to a second battery terminal of the battery.

PRODUCTION METHOD FOR POSITIVE ELECTRODE ACTIVE MATERIAL

Resumen de: US2025243084A1

The present disclosure is intended to provide a production method for a positive electrode active material with reduced degradation in resistance property. The technology disclosed herein relates to a production method for a positive electrode active material after sintering, the method comprising: a preparation step of preparing an end material that includes a positive electrode composite material including a positive electrode active material for a secondary battery and a binder containing fluorine; and a sintering step of sintering the positive electrode composite material in a container, wherein the sintering step is performed with magnesium hydroxide present in the container. Consequently, a positive electrode active material with reduced degradation in resistance property is achieved.

SECONDARY BATTERY POSITIVE ELECTRODE ACTIVE MATERIAL AND SECONDARY BATTERY

Resumen de: EP4593116A1

A secondary battery positive electrode active material that is an exemplary embodiment contains a first lithium nickel composite oxide having a D50 on a volume basis of 8-30 µm and contains a second lithium nickel composite oxide having a D50 on a volume basis of 6 µm or less. The first lithium nickel composite oxide is a secondary particle formed by the aggregation of primary particles, and at least one selection from Ca and Sr is present on the primary particle surface. The content of the total of Ca plus Sr for the first lithium nickel composite oxide is greater than or equal to the content of the total of Ca plus Sr for the second lithium nickel composite oxide.

METHOD AND DEVICE FOR STACKING CELL POLE PIECES

Resumen de: EP4593133A1

The present application discloses a method and device for stacking cell pole pieces. The first mechanical hand simultaneously grabs corrected m×n first pole pieces from the first position correction platform, and simultaneously places the m×n first pole pieces on a separator of the same lamination table in m rows and n columns for lamination, and the second mechanical hand simultaneously grabs corrected m×n second pole pieces from the second position correction platform and simultaneously places m×n second pole pieces on a separator on the same lamination table in m rows and n columns for lamination. By simultaneously laminating m×n pole pieces on the same lamination table in an arrangement of m rows and n columns, multiple pole pieces can be stacked at one time, so as to improve the lamination efficiency.

CELL SLITTING METHOD AND SLITTING DEVICE

Resumen de: EP4593132A1

The present application discloses a cell slitting method and a slitting device. The cell slitting method includes: controlling a pressing plate to tightly press a lamination unit on a cell support table, and controlling the slitting device to slit multiple layers of membranes of the lamination unit according to a pre-set slitting line to obtain m×n independent cell bodies. With respect to the existing slitting device using the mode of cutting off a single cell single-layer tail membrane, according to the present application, the slitting device slits the lamination unit according to a pre-set slitting line such that m×n independent cell bodies can be obtained by simultaneously cutting off multiple layers of membranes, which greatly improves the slitting efficiency and improves the production efficiency of cells.

TERMINAL BLOCK FOR A BATTERY PACK, BATTERY PACK AND ELECTRIC SYSTEM COMPRISING BATTERY PACK

Resumen de: EP4593156A1

A terminal block for a battery pack, a battery pack and an electric system comprising the battery pack, wherein the terminal block comprises a first terminal member having an inlet port connecting an inner side and an outer side of the terminal block, a distribution cavity, connected with the inlet port and provided on the first terminal member at the inner side, and a plurality of vent ports provided on the outer side and connected with the inner side. The inlet port and the distribution cavity provide at least part of a first pathway. The plurality of vent ports provides at least part of a second pathway.

BATTERY SYSTEM WITH IMPROVED COOLING CIRCUIT

Resumen de: EP4593155A1

Battery system (100), comprising: a plurality of battery cells (12) arranged to form one or more battery packs (14), a cooling circuit (20) including cooling channels (22) for cooling the battery cells (12) via cooling fluid flowing along the cooling channels (22) in a flow direction (F), wherein the cooling channels (22) include cooling channel segments (24), each of the cooling channel segments (24) extending alongside and being thermally conductively connected to one of the battery cells (12), the cooling channel segments (24) each comprising an upstream end (26) where the cooling fluid enters into the cooling channel segment (24) and a downstream end (27) where the cooling fluid leaves the cooling channel segment (24), wherein the cooling channel segments (24) are lined, at an inner wall (28, 29) thereof, with a phase-change material, PCM, (30) which is adapted to melt and detach from the inner wall (28, 29) when the battery cell (12) to which the cooling channel segment (24) is thermally conductively connected to overheats, the PCM (30) being further adapted to be carried along the flow direction (F) by the cooling fluid and to solidify and accumulate at the downstream end (27) of the cooling channel segment (24) thereby blocking the cooling fluid from leaving the cooling channel segment (24).

BATTERY PACK

Resumen de: EP4593152A1

A battery pack includes: a battery cell; a first attachment cover surrounding a first portion of the battery cell and is attachable to and detachable from the battery cell; a second attachment cover surrounding a second portion of the battery cell at a different location from the first attachment cover and is attachable to and detachable from the battery cell; and a release cover covering at least a portion of the first attachment cover and at least a portion of the second attachment cover and is attachable to and detachable from the first attachment cover and the second attachment cover.

ELECTRODE ASSEMBLY FOR RECHARGEABLE BATTERY

Resumen de: EP4593187A1

An electrode assembly of a rechargeable battery includes a positive electrode plate, a negative electrode plate, and a separator positioned between the electrode plates. Each of the electrode plates includes an electrode substrate, a first active material layer formed on a first surface of the electrode substrate, a second active material layer formed on a second surface of the electrode substrate, a first lamination tape attached to an end portion of the first active material layer, and a second lamination tape attached to an end portion of the second active material layer. The first lamination tape and the second lamination tape each include a protruding portion that protrudes beyond an end of the electrode substrate.

POSITIVE ELECTRODE ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY INCLUDING THE SAME

Resumen de: EP4592250A1

Disclosed are positive electrode active materials, methods of fabricating the same, and rechargeable lithium batteries including the same. The positive electrode active material includes a first particle including a first lithium composite oxide. The first particle includes a first primary particle that extends in a radial direction from a center of the first particle toward a surface of the first particle, and a second primary particle on the surface. An aspect ratio of the first primary particle is about 2 to about 15. An aspect ratio of the second primary particle is about 0.7 to about 3.

BATTERY MODULE AND BATTERY PACK INCLUDING SAME

Resumen de: EP4593188A1

Disclosed is a battery module including: a battery cell stack in which a plurality of battery cells are stacked; a module frame storing the battery cell stack; and a bus bar structure including a plurality of bus bars each electrically connected to the battery cells, and a bus bar frame on which the bus bar is disposed, wherein the bus bar frame includes the plurality of separate bus bar frames, and the separate bus bar frames are coupled to each other by a position guide member.

POUCH FILM LAMINATE AND SECONDARY BATTERY

Resumen de: EP4593170A1

The present invention relates to a pouch film laminate and a secondary battery including a pouch-type battery case manufactured using the pouch film laminate. The pouch-type film laminate according to the present invention includes a substrate layer, a gas barrier layer, and a sealant layer which are sequentially laminated, wherein the sealant layer has a melt viscosity of 1,000 Pa·s to 3,500 Pa·s as measured at 190 °C.

BATTERY PACK

Resumen de: EP4593176A1

The battery pack includes cylindrical battery 1 and battery holder 2 configured to dispose cylindrical battery 1 in the predetermined position. Battery holder 2 includes holding tube 20 configured to internally accommodate cylindrical battery 1 and cover outer circumferential face 12 of cylindrical battery 1. Holding tube 20 includes exposure window 8 opened to allow outer circumferential face 12 of accommodated cylindrical battery 1 to be exposed therefrom to the outside. An exposed part of cylindrical battery 1 exposed from exposure window 8 is fixed to battery holder 2 via adhesive member 5.

SOLID ELECTROLYTE, ELECTRODE MATERIAL, LITHIUM-ION BATTERY, AND METHOD FOR PRODUCING SOLID ELECTROLYTE

Resumen de: EP4593038A1

A solid electrolyte 10 according to the present disclosure includes Li, Ti, M, and F. The M is at least one selected from the group consisting of Mg, Ca, Sr, Ba, Sc, Y, Al, Ga, In, Zr, and Sn. In an X-ray diffraction pattern obtained by X-ray diffraction measurement using Cu Kα radiation, a ratio of an intensity of a peak present in a diffraction angle 2θ range from 40° to 43° to an intensity of a peak present in a diffraction angle 2θ range from 19° to 23° is 1.0 or more and 3.3 or less.

POSITIVE ELECTRODE MATERIAL FOR LITHIUM ION SECONDARY BATTERY, PRODUCTION METHOD THEREFOR, POSITIVE ELECTRODE FOR LITHIUM ION SECONDARY BATTERY, AND LITHIUM ION SECONDARY BATTERY

Resumen de: EP4593119A1

Provided is a positive electrode material for a lithium ion secondary battery, including aggregated particles including aggregated multiple primary particles of a positive electrode active substance containing lithium iron phosphate coated with a carbonaceous film, the positive electrode active substance having a prescribed composition containing lithium iron phosphate, at least one kind of calcium phosphate particles and aluminum phosphate particles existing on a surface of the primary particles of the positive electrode active substance, a grain boundary among the primary particles, or both the surface and the grain boundary. The positive electrode material has high input and output characteristics in using as a positive electrode of a lithium ion secondary battery.

DEGRADATION PREDICTION DEVICE FOR SECONDARY BATTERY AND DEGRADATION PREDICTION METHOD FOR SECONDARY BATTERY

Resumen de: EP4592695A1

To easily acquire deterioration states of a secondary battery. To do this, a degradation prediction device for secondary battery (1) includes a reference degradation characteristic calculation portion (10) to output a reference degradation characteristic (DC) in terms of a first battery (110); a correction coefficient calculation portion (20) to calculate a correction coefficient (α) based on a first reference degradation characteristic (DC1) acquired by supplying the reference degradation characteristic calculation portion (10) with a first use condition information (US1) as one piece of use condition information (US) and based on at least one piece of degradation point data (DA1) when a second battery (120) is used under a use condition specified in the first use condition information (US1); and a degradation characteristic correction portion (30) to output estimated degradation characteristic data (DP2) based on a second reference degradation characteristic (DC2) and a correction coefficient (α).

LEAK INSPECTION APPARATUS AND METHOD FOR SECONDARY BATTERY CELL

Resumen de: EP4592660A1

Proposed are a leak inspection apparatus for secondary battery cells and a leak inspection method for secondary battery cells and, more particularly, to a leak inspection apparatus for secondary battery cells and a leak inspection method for secondary battery cells to determine whether leakage occurs in a secondary battery cell being inspected by creating a pressure difference between the inside of a casing of the secondary battery cell accommodated in a chamber part and the internal space of the chamber part and detecting swelling of the secondary battery cell.

STRUCTURAL THERMAL BARRIER AND METHOD

Resumen de: TW202433792A

A battery module, and associated methods are disclosed. In one example, a battery module includes thermal isolation structures with a structural support plate and an aerogel layer. Examples of thermal isolation structures are shown that include a module cover contact located on atop end of a structural support plate.

METHOD FOR UPGRADING MATERIALS OBTAINED FROM END-OF-LIFE LITHIUM-ION BATTERIES

Resumen de: WO2024054103A1

The present invention relates to a method for selectively upgrading the elements in a material obtained from a mixture of end-of-life batteries. The invention relates more particularly to the field of upgrading the metal elements including cobalt, nickel and manganese present in the materials obtained from end-of-life lithium-ion batteries. The present invention also presents a solution for upgrading lithium and also graphitic carbon, in the form of lithium carbonates and graphitic carbon in the case where the material originates from rechargeable batteries. The method that is the subject of this invention thus makes it possible to upgrade the elements contained in a material obtained from end-of-life lithium-ion batteries so as to have new products that can be used for a second use for the preparation of active materials for lithium-ion batteries.

FACILITY FOR HIGH CAPACITY STORAGE USING METAL HYDROGEN BATTERIES

Resumen de: CN119856306A

According to an embodiment of the present disclosure, a power storage facility is presented. The power storage facility includes: a housing containing hydrogen; a battery pack rigidly mounted within the housing, the battery pack including an array of metal hydrogen batteries; and a monitoring/control system coupled to each metal hydrogen cell in the array of individual metal hydrogen cells. In some embodiments, the power storage facility contains low pressure hydrogen.

POSITIVE ELECTRODE ACTIVE MATERIALS, POSITIVE ELECTRODES, AND RECHARGEABLE LITHIUM BATTERIES

Resumen de: EP4593105A1

A positive electrode active material for a rechargeable lithium battery includes a first positive electrode active material including a layered lithium nickel-manganese-based composite oxide having a nickel content of at least 70 mol% based on 100 mol% of a total metal excluding lithium in the first positive electrode active material, and being in a form of secondary particles having an average particle diameter (D₅₀) of about 10 µm to about 25 µm, and a second positive electrode active material including a lithium cobalt-based oxide, being in the form of single particles having an average particle diameter (D₅₀) about 1 µm to about 9 µm, wherein a difference between the average particle diameter (D₅₀) of the secondary particles of the first positive electrode active material and the average particle diameter (D₅₀) of the single particles of the second positive electrode active material is at least about 5 µm.

SOCKET, ELECTRICAL CONNECTOR, BATTERY PACK AND ELECTRIC DEVICE

Resumen de: EP4593214A1

The invention provides a socket, an electrical connector, a battery pack and an electric device, the socket including an insertion end and a tail end in the direction of a Z-axis, and the insertion end being configured for connection with a plug and including a first housing, a second housing, a third housing and an insertion terminal; where the first housing is provided with a first through hole in the direction of the Z-axis, and the second housing is provided in the first through hole in a floating manner; the second housing and the third housing are arranged in the direction of the Z-axis and are detachably connected to each other, the second housing includes a second through hole, and the third housing includes a third through hole; and the insertion terminal is provided in the second through hole and the third through hole, the second housing is provided with a first limiting structure, and the third housing is provided with a second limiting structure, the first limiting structure and the second limiting structure fixing the insertion terminal. The insertion terminal is limited and fixed in the Z-axis by the second housing and the third housing, so the insertion terminal can float with the second housing to electrically connect with the plug, and the socket is simple in overall structure and is easy to assemble and disassemble.

CYLINDRICAL SECONDARY BATTERY

Resumen de: EP4593137A1

A cylindrical secondary battery includes an electrode assembly including a first electrode plate, a separator, and a second electrode plate; a case accommodating the electrode assembly and electrically connected to the second electrode plate; a terminal electrically connected to the first electrode plate and coupled to the case via a first gasket; a cap plate configured to seal an upper end portion of the case, a second gasket between the case and the cap plate; a first current collector between a lower surface of the electrode assembly and the terminal; and a second current collector between an upper surface of the electrode assembly and the cap plate and at one side of an edge region thereof between the case and the second gasket. An electrically conductive connection induction portion is on at least one of the cap plate or the second current collector.

ANODE MIXTURE SLURRY, ANODE MANUFACTRURED FROM ANODE MIXTURE SLURRY AND LITHIUM ION BATTERY COMPRISING ANODE

Resumen de: EP4593120A1

The present embodiment relates to an anode mixture slurry, an anode manufactured from the anode mixture slurry and a lithium-ion battery comprising the anode, wherein the anode mixture slurry comprises a silicon-based anode active material and a photocurable binder, and the photocurable binder comprises: a first acrylate monomer or oligomer having two or fewer functional groups and an acrylate end; and a second acrylate monomer or oligomer having three or more functional groups and an acrylate end.

HIGH STRUCTURE ACETYLENE BLACK, PROCESS FOR ITS PRODUCTION, AND COMPOSITIONS AND USES THEREOF

Resumen de: CN119768475A

The present invention provides a high structure acetylene black having an oil absorption (OAN) of 360 mL/100 g or more and a BET surface area in the range of 50 m2/g to 200 m2/g. Such high structure carbon black exhibits excellent electrical conductivity and good process properties, such as dispersibility, with superior ability to impart electrical conductivity and/or thermal conductivity to various materials, making them particularly suitable for various applications that require or are beneficial to high electrical conductivity and (or) thermal conductivity, as well as for use in the field of electronic devices. The present invention relates to the manufacture of conductive and/or thermally conductive materials, such as electrodes and other components of energy storage and/or energy conversion devices, or conductive and/or thermally conductive materials and articles made therefrom.

ELECTRODE ASSEMBLY OF RECHARGEABLE BATTERY

Resumen de: EP4593186A1

An electrode assembly of a rechargeable battery includes an electrode plate of a positive electrode and a negative electrode on both surfaces of a separator. The electrode plate may include an electrode substrate, a first active material layer on a first surface of the electrode substrate, a second active material layer on a second surface of the electrode substrate, At least one of the electrode plates includes a first lamination tape and a second lamination tape attached to the first active material layer, an end portion of the electrode substrate, and the second active material. The first lamination tape forms a first attachment portion, the second lamination tape forms a second attachment portion, and an end of the first attachment portion on the first active material layer and an end of the second attachment portion on the second active material layer are spaced apart from each other in a winding direction.

SECONDARY BATTERY

Resumen de: EP4593172A1

One embodiment of the present disclosure relates to a secondary battery including a cylindrical can including a circular bottom part, and a side part extending from the bottom part, the side part having an open end portion, an electrode assembly accommodated in the cylindrical can, a current interrupt device disposed in the open end portion of the side part and having a vent therein, and a gasket disposed between the side part and the current interrupt device and including a protrusion configured to support a lower part of the current interrupt device.According to the embodiment of the present disclosure, by improving the shape of the gasket, components such as a cap-up and a safety vent are not deformed by pressure when a crimping part and a beading part are formed on the can for assembly of the cap assembly. Thus, the stability of the secondary battery can be improved.

SECONDARY BATTERY

Resumen de: EP4593136A1

A secondary battery includes an electrode assembly; a can configured to accommodate the electrode assembly that includes an open upper surface and a beading part and a crimping part on a side surface of the can; a cap plate between the beading part and the crimping part of the can that is configured to close the open upper surface of the can; a first gasket between the can and an edge part of the cap plate that includes an upper end at a same height as or below an upper surface of the edge part of the cap plate; and a terminal electrically connected to the electrode assembly.

PREPARATION METHOD FOR POSITIVE ELECTRODE SLURRY, SECONDARY BATTERY, BATTERY PACK AND ELECTRICAL APPARATUS

Resumen de: EP4593093A1

The present application provides a preparation method for a positive electrode slurry, a secondary battery, a battery pack, and an electrical apparatus. The preparation method comprises first stirring, second stirring, third stirring and fourth stirring. In the first stirring, a positive electrode active material and a conductive agent are mixed and stirred to prepare a dry mixture; in the second stirring, a binder and a solvent are mixed and stirred to prepare a glue solution; in the third stirring, the dry mixture and the glue solution are mixed and stirred to prepare a primary slurry; and in the fourth stirring, the binder, the solvent and the primary slurry are mixed and stirred to prepare a positive electrode slurry. The binder and the solvent used in the second stirring are the same as the binder and the solvent used in the fourth stirring, respectively. On the basis of the total mass of the binder used in the second stirring and the binder used in the fourth stirring, a mass ratio of the binder used in the second stirring is in a range from 50% to 70%, and a mass ratio of the binder used in the fourth stirring is in a range from 30% to 50%.

PREPARATION METHOD FOR POSITIVE ELECTRODE SLURRY, SECONDARY BATTERY, BATTERY PACK AND ELECTRIC DEVICE

Resumen de: EP4593092A1

Provided in the present application are a preparation method for a positive electrode slurry, a secondary battery, a battery pack and an electric device. The preparation method comprises first stirring, second stirring and third stirring, wherein the first stirring involves stirring a binder and a solvent to prepare a glue solution; the second stirring involves stirring a positive electrode active material and a conductive agent with the glue solution to prepare a mixture; and the third stirring involves stirring the binder and the solvent with the mixture to obtain a positive electrode slurry. The binder and the solvent in the first stirring are respectively the same as the binder and the solvent in the third stirring; based on the total mass of the binder in the first stirring and the binder in the third stirring, the mass ratio of the binder in the first stirring is 50-70%, and the mass ratio of the binder in the third stirring is 30-50%; and based on the total mass of the solvent in the first stirring and the solvent in the third stirring, the mass ratio of the solvent in the first stirring is 50-70%, and the mass ratio of the solvent in the third stirring is 30-50%.

METHOD AND SYSTEM FOR SEPARATING BLACK MASS FROM ELECTRODES OF SPENT LITHIUM ION BATTERIES

Resumen de: AU2023373492A1

A method for separating black mass from electrodes of spent lithium ion batteries includes separating electrode pieces from remainder of material of a portion of a spent lithium ion battery. The electrode pieces are heated to a temperature in a range from about 200 °C to about 350 °C for a predetermined period of time to obtain pre-heated electrode pieces. The pre-heated electrode pieces are disposed in a neutral liquid to obtain a first suspension. Ultrasound vibrations are applied to the first suspension to separate the black mass and the binder from the metal pieces. Metal pieces, binder material and black mass from the electrode pieces are then segregated to obtain black mass.

REINFORCED BATTERY THERMAL BARRIER AND METHOD

Resumen de: CN222300718U

The utility model relates to a battery thermal barrier and a battery module using the same. Various disclosed embodiments relate to structural features in the thermal barrier. The present disclosure includes a battery module having a stack of battery cells within a module housing and a thermal barrier between at least two cells in the stack of battery cells. The thermal barrier may include an isolation layer and structural features distributed in the isolation layer. A thermal barrier for a battery module may include an isolation layer configured to thermally isolate individual battery cells within the battery module; and structural features distributed within the isolation layer.

METHOD FOR PRODUCING A RECHARGEABLE BATTERY, AND RECHARGEABLE BATTERY

Resumen de: WO2024061512A1

The invention relates to a method for producing a rechargeable battery (2), which has at least one lithium-ion cell (4) in which a first electrode is arranged (12) that has a first active material layer (22), and in which lithium-ion cell an electrolyte (10) is introduced, wherein to produce the first electrode (12) a first material strip (30) is produced from which the first electrode (12) is separated during a separating process, and wherein the first material strip (30) is produced by mixing in a first suspension that has a first active material, applying the first suspension onto a first metal film (18) to form the first active material layer (22) and forming a first polymer coating (26) as a first intermediate layer between the first active material and the electrolyte (10).

TRAY AND SECONDARY BATTERY MANUFACTURING APPARATUS

Resumen de: EP4593135A2

A tray that is used in a manufacturing process of a secondary battery and accommodates a plurality of battery cells arranged in an arrangement direction. The tray includes a guide shaft portion extending in the arrangement direction, a plurality of partition plates guided by the guide shaft portion and configured to be moved along the arrangement direction, a pressing mechanism guided by the guide shaft portion and configured to be moved along the arrangement direction, and a collar that is coaxial with the guide shaft portion and disposed between two partition plates adjacent to each other among the plurality of partition plates.

LITHIUM SECONDARY BATTERY

Resumen de: EP4593149A1

A lithium secondary battery including a positive electrode, a negative electrode, a separator, and a non-aqueous electrolyte, wherein the positive electrode includes a positive electrode active material comprising lithium iron phosphate particles, and the positive electrode has a loading amount of 450 mg/25 cm² to 740 mg/25 cm², the non-aqueous electrolyte includes a lithium salt, an organic solvent, and an additive, wherein the organic solvent includes ethylene carbonate, and dimethyl carbonate, and the dimethyl carbonate is included in 5 vol% to 75 vol% in the organic solvent, and the additive contains vinylene carbonate, and the weight ratio of the vinylene carbonate to the dimethyl carbonate is greater than 0 to 0.2 or less.

LITHIUM SECONDARY BATTERY

Resumen de: EP4593146A1

The present invention provides a lithium secondary battery comprising: a positive electrode; a negative electrode; a separator; and a non-aqueous electrolyte, wherein the positive electrode includes a positive electrode active material, the positive electrode active material includes lithium iron phosphate particles, the non-aqueous electrolyte includes lithium salt, an organic solvent, and an additive, the additive includes an oligomer including repeating units derived from monomers of a specific chemical formula, and the weight average molecular weight Mw of the oligomer is 5,000 g/mol to 25,000 g/mol.

LITHIUM SECONDARY BATTERY

Resumen de: EP4593145A1

The present invention provides a lithium secondary battery including a negative electrode, a positive electrode, a separator, and a non-aqueous electrolyte, wherein the negative electrode includes a silicon-based active material, the non-aqueous electrolyte includes a lithium salt, an organic solvent, and an additive, and the additive includes a compound represented by a specific formula.

LITHIUM SECONDARY BATTERY

Resumen de: EP4593144A1

The present invention provides a lithium secondary battery comprising a positive electrode, a negative electrode, a separator, and a nonaqueous electrolyte, wherein the positive electrode comprises a positive electrode active material, the positive electrode active material comprises lithium iron phosphate particles, the nonaqueous electrolyte comprises a lithium salt, an organic solvent, and an additive, and the additive comprises a compound represented by a specific chemical formula.

COOLANT MANIFOLD FOR BATTERY PACK

Resumen de: MX2025002681A

A battery pack including a plurality of battery modules, each battery module including a plurality of battery cells, a coolant inlet, and a coolant outlet; a coolant manifold plate for supplying and return coolant to and from the battery modules, the coolant manifold plate including: a wall of the battery pack; a vertical coolant rail; a plurality of horizontal coolant rails, wherein the plurality of horizontal rails are parallel with one another and perpendicular to the vertical rail, the vertical coolant rail supplies coolant to each of the plurality of horizontal coolant rails, and the manifold plate supports each battery module.

BATTERY MODULE

Resumen de: EP4593158A1

A battery module configured to block heat propagation in response to an event occurring in a battery cell. The battery module includes battery cells arranged in one direction and at least one insulating spacer between the battery cells. The insulating spacer includes a pouch region having a space defined therein and a phase change material configured to fill at least a part of the space.

SECONDARY BATTERY

Resumen de: EP4593134A1

The present disclosure relates to a secondary battery capable of increasing the inner space utilization rate of a case and improving energy density.For example, disclosed is a secondary battery including: an electrode assembly including a current collector tab having a bent portion formed by bending at least once and having a protruding bent end portion; a case including a main body formed with an accommodation portion configured to accommodate the electrode assembly and a cover configured to cover the main body; and an electrode lead electrically connected to the end portion of the current collector tab and drawn out of the case, and further comprising an adhesive member formed to correspond to the bent portion.

EXPLOSION-PROOF VALVE INTEGRATED IN TOP COVER AND BATTERY PACK

Resumen de: EP4593183A1

The present disclosure relates to an explosion-proof valve integrated in a top cover and a battery pack, including: a top cover body (1), provided with an accommodating chamber (11); an explosion-proof valve body (2), including a pressure relief channel (21) and a breathable film (22), in which the pressure relief channel (21) and the top cover body (1) are integrally molded, an end of the pressure relief channel (21) is in communication with an interior of the accommodating chamber (11), an opposite end of the pressure relief channel (21) is in communication with an exterior of the accommodating chamber (11) and the breathable film (22) is assembled to the end of the pressure relief channel (21).

FLUOROPOLYMER, CONDUCTIVE PASTE, POSITIVE ELECTRODE PIECE, SECONDARY BATTERY AND ELECTRICAL APPARATUS

Resumen de: EP4592325A1

The present application provides a fluoropolymer, a conductive slurry, a positive electrode plate, a secondary battery, and an electrical apparatus. The fluoropolymer comprises a structural unit derived from a monomer represented by formula I and a structural unit derived from a monomer represented by formula II, wherein R₁, R₂ and R₃ are each independently selected from one or more of hydrogen, fluorine, chlorine and fluorine-substituted C_1-3 alkyl; R₄ and R₅ are selected from hydrogen, substituted or unsubstituted C_1-5 alkyl; and R₆ is selected from one or more of aryl-substituted C_1-5 alkyl, substituted or unsubstituted aryl. The fluoropolymer can improve the filterability, anti-gelling property and storage performance of the conductive slurry, thus significantly broadening a process window of the conductive slurry and improving processability of the conductive slurry.

LITHIUM SECONDARY BATTERY

Resumen de: EP4593143A1

A lithium secondary battery according to the present invention comprises: a battery case; and an electrode assembly and an electrolyte stored in the battery case, wherein the electrode assembly includes a positive electrode, the positive electrode includes a positive electrode active material and a conductive material, the conductive material includes a point-like conductive material and a linear conductive material in a weight ratio of 4:1 to 14:1, and the electrolyte includes a sultone-based compound and a phosphate-based compound as additives in a weight ratio of at least 1:0.1 and less than 1:2.

ELECTRONIC DEVICE AND METHOD FOR CONTROLLING CHARGING CURRENT FOR PLURALITY OF BATTERIES

Resumen de: EP4593232A1

According to an embodiment, an electronic device comprises at least one processor, a first battery, and a second battery, wherein the at least one processor is configured to: identify a first voltage of the first battery and a second voltage of the second battery; identify a first charging current value corresponding to a charging state of the first battery on the basis of the first voltage of the first battery; identify a second charging current value corresponding to a charging state of the second battery on the basis of the second voltage of the second battery; identify a total charging current value and a distribution ratio on the basis of the first charging current value and the second charging current value; set a first charging path for the first battery and a second charging path for the second battery so as to have the distribution ratio; provide a first charging current according to the first charging current value to the first battery through the first charging path; and provide a second charging current according to the second charging current value to the second battery through the second charging path.

BATTERY AND ENERGY STORAGE APPARATUS

Resumen de: EP4593185A1

Provided in the embodiments of the present application are a battery and an energy storage apparatus. The battery comprises a battery case, a pressure relief mechanism, and a first negative pressure mechanism. The pressure relief mechanism is arranged at a wall portion of the battery case, and the pressure relief mechanism is used for relieving the internal pressure of the battery case when the internal pressure or temperature of the battery case reaches a threshold value. The first negative pressure mechanism is connected to the pressure relief mechanism, and the first negative pressure mechanism is used for generating a negative pressure, so as to direct gas in the battery case to move towards the pressure relief mechanism. The first negative pressure mechanism facilitates the discharge of gas inside the battery, thereby reducing potential accident hazards and improving the reliability of the battery.

ELECTRODE SHEET PROCESSING APPARATUS AND ELECTRODE SHEET PROCESSING METHOD USING SAME

Resumen de: EP4593098A1

Disclosed are an electrode sheet machining apparatus and an electrode sheet machining method using the same, and more particularly an electrode sheet machining apparatus including a transfer roller configured to supply an electrode sheet, a drum configured to be in tight contact with one surface of the supplied electrode sheet, and a laser radiator configured to radiate a laser beam toward the drum, wherein the drum includes a first drum configured to be rotated together with the supplied electrode sheet, a second drum located at one side or opposite sides of the first drum, the second drum configured to rotate or remain stationary, and a pattern jig removably mounted to the second drum, the pattern jig having a first opening configured to allow the laser beam to pass therethrough.

NON-AQUEOUS ELECTROLYTE AND LITHIUM SECONDARY BATTERY COMPRISING SAME

Resumen de: EP4593148A1

A lithium secondary battery includes: a negative electrode including a silicon-based negative electrode active material; a positive electrode; a separator; and a non-aqueous electrolyte. The non-aqueous electrolyte contains: a lithium salt; an organic solvent; a compound of Formula 1 as a first additive; and a compound of Formula 2 as a second additive.Here, R is an alkylene group with 1 to 5 carbon atoms, which may be substituted with fluorine, and R₁ to R₃ are each independently any one selected from the group consisting of H, an alkyl group with 1 to 5 carbon atoms, and a nitrile group.Here, R₄ to R₇ are each independently any one selected from the group consisting of an alkyl group with 1 to 10 carbon atoms, which may be substituted with fluorine, and an alkenyl group with 2 to 10 carbon atoms, which may be substituted with fluorine.

POLYURETHANE-BASED ELASTOMER FOAM SUITABLE FOR BATTERY POTTING

Resumen de: WO2025056345A1

The present disclosure provides a reaction system for producing a polyurethane-based elastomer foam, the reaction system comprising: component A) an isocyanate component comprising a hard block prepolymer; and component B) an isocyanate-reactive component comprising: a polyol; a first chain extender and a second chain extender which is different from the first chain extender, wherein the first and second chain extenders are each an aliphatic diol having from 2 to 6 carbon atoms; a blowing agent; optionally a surfactant; and optionally a catalyst.

ENERGY STORAGE SYSTEM AND POWER SUPPLY SYSTEM

Resumen de: EP4593162A1

This application provides an energy storage system and a power supply system. The energy storage system includes a battery pack, a power conversion component, a first liquid runner, a second liquid runner, a first drive apparatus, a second drive apparatus, and a liquid dispenser. The first liquid runner is in contact with the battery pack in a thermally conductive manner, and the first drive apparatus communicates with the first liquid runner. The second liquid runner is in contact with the power conversion component in a thermally conductive manner, and the second drive apparatus communicates with the second liquid runner. The liquid dispenser separately communicates with the first liquid runner and the second liquid runner. When the liquid dispenser is in a first working state, the first liquid runner is isolated from the second liquid runner. Control may be separately performed according to temperature requirements of the battery pack and the power conversion component. When the liquid dispenser is in a second working state, the first liquid runner communicates with the second liquid runner, to form one whole loop. In this way, the battery pack is heated by using heat generated by the power conversion component. A temperature control solution can be adjusted based on a working state, to reduce space occupied by the energy storage system and reduce power consumption.

LITHIUM SECONDARY BATTERY AND ELECTRIC DEVICE

Resumen de: EP4593139A1

This application provides a lithium secondary battery (10) and an electrical device (600). The lithium secondary battery (10) includes: a positive electrode plate, where the positive electrode plate includes a positive current collector and a positive active material layer disposed on at least one side of the positive current collector, and a lithium-ion diffusion coefficient of the positive active material layer is Ds; and an electrolyte solution, where the electrolyte solution includes a solvent. The solvent includes at least one of compounds of the following Formula (I). A mass fraction of the compound of Formula (I) in the solvent is W1. The mass fraction W1 of the compound of Formula (I) and the lithium-ion diffusion coefficient Ds of the positive active material layer satisfy: 2×10<-18> cm<2>/s ≤ W1 × Ds ≤ 8×10<-6> cm<2>/s, and optionally, 3×10<-14> cm<2>/s ≤ W1 × Ds ≤ 7×10<-10> cm<2>/s.In the formula above, R1 and R2 each independently include at least one of a C1 to C3 alkyl or a C1 to C3 haloalkyl. By regulating the lithium-ion diffusion coefficient Ds of the positive electrode material and the mass percent of the compound of Formula (I), the lithium secondary battery (10) can effectively improve the transmission rate of lithium ions in the electrolyte solution, and improve the energy density and fast-charge performance of the lithium secondary battery (10).

METHOD FOR MANUFACTURING NEGATIVE ELECTRODE MATERIAL PARTICLES

Resumen de: EP4592244A1

A method for manufacturing negative electrode material particles includes the steps of: mixing silicon oxide granules with a powder of a pitch without using any liquid organic solvents, so as to obtain a mixture; and heating the mixture at a heating rate ranging from 0.65°C/min to 1.25°C/min to a carbonization temperature of not lower than 600°C for not less than 5 hours, so that the thus melted pitch is carbonized and forms a carbon film on a surface of each of the silicon oxide granules, thereby obtaining the negative electrode material particles. Each of the negative electrode material particles has a mean particle size ranging from 2 µm to 11 µm.

LIQUID INJECTION PORT SEALING STRUCTURE FOR BATTERY CAN, BATTERY CELL COMPRISING SAME, BATTERY AND VEHICLE

Resumen de: EP4593190A1

The present invention relates to a structure for sealing a liquid injection port of a battery cell. The battery cell comprises: a can having an open end at one end thereof in the axial direction; an electrode assembly accommodated inside the can; a cap for covering the open end of the can; a liquid injection port provided in the cap; and a finishing member inserted into the liquid injection port so as to finish the liquid injection port. The finishing member is sealed and fixed in a state of being inserted into the liquid injection port, by means of a sealing and fixing material that melts at a predetermined temperature. The finishing member includes a ball made of a metal material. The sealing and fixing material includes a synthetic resin layer coated on the surface of the ball, or includes solder, which is filled between the surface of the ball and the inner circumferential surface of the liquid injection port while the ball is inserted into the liquid injection port, so as to seal and fix the ball inside the liquid injection port.

LITHIUM BATTERY AND ELECTRIC DEVICE

Resumen de: EP4593106A1

A lithium battery and an electric device. The lithium battery comprises a positive electrode plate, a negative electrode plate, a separator and an electrolyte solution, wherein the negative electrode plate comprises a current collector and a negative electrode active material layer provided on a surface of the current collector, and the electrolyte solution comprises a lithium salt, an organic solvent, and an additive, the additive comprising a fluorocarbonate and a nitrile substance. The negative electrode active material layer has a thickness of D₁ µm. The corresponding particle size is D_v50 µm when the negative electrode active material contained in the negative electrode active material layer has a volume cumulative distribution percentage reaching 50%, and the corresponding particle size is D_v90 µm when the negative electrode active material contained in the negative electrode active material layer has a volume cumulative distribution percentage reaching 90%. On the basis of the total mass of the electrolyte solution, the mass content of the fluorocarbonate is W₀%, and the mass content of the nitrile substance is W₁%. The lithium battery has a performance factor k = (2D₁/D_v90+D_v50)/(W₀+W₁), and k is in the range of 0.5-3.

Heat-conducting plate

Resumen de: GB2637573A

A heat-conducting plate that includes a vapour chamber is manufactured by disposing a vapor core and a wicking layer inside a cavity defined between spaced-apart walls of a casing, injecting a working fluid inside the cavity, and applying a vacuum to the cavity. After the applying of the vacuum to the cavity, the peripheries of the spaced-apart walls are cold welding to one another to seal the working fluid and the vapor core and the wicking layer in the cavity.

CHARGE/DISCHARGE TESTING DEVICE

Resumen de: EP4593237A1

A charge/discharge testing device 1 performs charge/discharge testing of secondary batteries and is characterized by including: a plurality of probes 16 that are positioned, with respect to a battery tray 7 in which a plurality of secondary batteries 8 are mounted, on the positive electrode side of the plurality of secondary batteries 8, and that correspond respectively to the plurality of secondary batteries; and a pressing unit 5 that includes a cooling means 14, is positioned on the side opposite the probes 16 across the battery tray 7, and moves in a vertical direction, thereby pressing the plurality of secondary batteries 8 toward the probes.

HEAT TRANSFER DEVICE AND SECONDARY BATTERY INCLUDING THE HEAT TRANSFER DEVICE

Resumen de: EP4593157A1

Disclosed herein are a heat transfer device (350) and a secondary battery including the same. The problem to be solved is to provide a heat transfer structure within the secondary battery. To this end, there are provided a heat transfer device (350) that includes a first body (352) configured to be installed between a casing (51, 200) of a secondary battery and a joint between a current collector (342) and a subplate (344) in the secondary battery, wherein the first body (352) includes a first contact surface (352a) configured to contact the joint to receive heat from the joint, and a second contact surface (352b) formed opposite to the first contact surface (352a), the second contact surface (352b) being configured to in contact the casing (51, 200) to transfer heat from the first contact surface (352a) to the casing (51, 200), a secondary battery including the same, and a vehicle (V) including the secondary battery.

BATTERY SELF-HEATING DEVICE AND VEHICLE

Resumen de: EP4593159A1

A battery self-heating device and a vehicle. The device comprises a battery self-heating circuit and a controller. The battery self-heating circuit comprises a first battery group, a second battery group, a bridge arm, and a winding corresponding to the bridge arm. A negative electrode of the first battery group is connected to a positive electrode of the second battery group, and the negative electrode of the first battery group and the positive electrode of the second battery group are connected to an output end of the winding. An input end of the winding is connected to a midpoint of the bridge arm. A positive electrode of the first battery group is connected to a first bus end of the bridge arm. A negative electrode of the second battery group is connected to a second bus end of the bridge arm. The controller is configured to adjust the duty ratio of the bridge arm according to a target duty ratio range.

BATTERY AND ELECTRIC APPARATUS

Resumen de: EP4593181A1

The present disclosure provides a battery and an electrical device, which relates to the technology field of batteries. The battery comprises a battery cell and a functional component. A side of the battery cell along a first direction is provided with a pressure relief mechanism. The functional component is located on one side of the battery cell where the pressure relief mechanism is provided, and the functional component comprises a thermal management component and a protective component. The thermal management component is attached to the battery cell, and the thermal management component is configured to regulate a temperature of the battery cell. A protective component is connected to the thermal management component and covers at least a portion of the pressure relief mechanism. The protective component is connected to the thermal management component to form an integrated functional component. Therefore, during the assembly process of the battery, the thermal management component and the protective component can be first assembled into a single structure and then mounted on the same side of the battery cell, thus simplifying the mounting process and reducing the difficulty of the battery assembly. In addition, the protective component and the thermal management component are provided on the same side of the battery cell, which is conducive to rationally utilizing the internal space of the box of the battery.

EXHAUST ASSEMBLY, BATTERY PACK, AND ELECTRIC DEVICE

Resumen de: EP4593179A1

This application provides an exhaust assembly, a battery pack, and an electrical device. The exhaust assembly includes an exhaust portion, a connecting portion, and a sealing structure. The exhaust portion is configured to receive emissions from a battery cell. The exhaust assembly is connected to a box of the battery pack by the connecting portion. The sealing structure is disposed at a junction between the connecting portion and the box. In this application, high-temperature and high-pressure gases and conductive particles expelled from a thermally runaway battery cell can enter the exhaust portion and be directionally expelled out of the battery pack through the exhaust portion. The connecting portion may be connected to the box of the battery pack by a connecting piece such as a bolt. The sealing structure can seal a gap at a junction between the connecting portion and the box, thereby avoiding gas leakage and preventing normal battery cells in the vicinity from being thermally runaway.

EXPLOSION-PROOF VALVE FOR BATTERY, AND BATTERY

Resumen de: EP4593182A1

The present invention discloses an explosion-proof valve of a battery and a battery, belonging to the technical field of energy storage devices. The explosion-proof valve is an integrally formed disk structure, and comprises, from the outside to the inside, a welding section, a rupture section, and a reinforcement section connected together, a closed rupture score line being arranged on the rupture section, characterized in that: several reinforcement ribs are arranged on the reinforcement section, two ends of the reinforcement ribs being connected to the rupture score line, and a thickness of the reinforcement ribs being greater than a thickness of the rupture score line. A battery installed with the aforementioned explosion-proof valve has an explosion-proof valve activation pressure reaching 0.65-0.95 MPa.

ENERGY STORAGE DEVICE

Resumen de: EP4593178A1

An energy storage device is provided in the embodiments of the present disclosure, wherein the energy storage device includes at least one energy storage module, and each energy storage module includes a box body, a plurality of batteries, and a smoke exhaust assembly. The plurality of batteries are arranged in the box body, wherein each battery includes a battery box and a plurality of battery cells, wherein the battery cells include a pressure relief mechanism and electrode terminals; the pressure relief mechanism is arranged on a first wall of the battery cells; the electrode terminals are arranged on a second wall of the battery cells; the second wall is different from the first wall; and the battery box is provided with a first exhaust port. The smoke exhaust assembly is communicated with the first exhaust port of each battery, and is configured to discharge smoke discharged by the plurality of batteries to the outside of the box body. The energy storage device of the present disclosure has a higher level of safety.

ELECTROCHEMICAL PRODUCTION OF ALKALI METAL HYDROXIDES AND SULFURIC ACID FROM BATTERY MANUFACTURING AND RECYCLING OUTLET STREAMS

Resumen de: CN120019175A

A method of producing sodium hydroxide (NaOH) or lithium hydroxide (LiOH) and sulfuric acid (H2SO4) includes generating sodium sulfate (Na2SO4) or lithium sulfate (Li2SO4) from battery manufacture and recovery and converting the generated Na2SO4 or Li2SO4 to NaOH, LiOH and H2SO4 by an electrochemical salt decomposition process. The treatment step may be performed in a closed system such that the generated Na2SO4 or Li2SO4 may be used during the conversion process, and optionally a purification step. In particular, LiOH, NaOH, and Na2SO4 are recovered to a battery recovery or battery manufacturing process.

COATING METHOD AND RESULTANT CERAMIC-MODIFIED SEPARATORS

Resumen de: CN119790538A

The present disclosure relates to a continuous process for coating a microporous polyolefin web with a ceramic composition or slurry, followed by drying at an elevated temperature while confining in a transverse direction. Such nets may be used to improve manufacturability, performance, and safety of energy storage devices, such as lithium batteries.

BIAXIALLY ORIENTED MEMBRANES FROM DOUBLE LAYER, OIL FILLED SHEETS

Resumen de: CN119855706A

The present disclosure relates to a method for forming free-standing biaxially oriented microporous polyolefin films. In the method, at least two separate oil-filled cast or rolled films are stacked on top of each other and then subjected to biaxial orientation followed by solvent extraction of processing oil (i.e., plasticizer), evaporation of the solvent, and thermal stabilization, and then separated into separate wound-into-roll microporous films.

3D STRUCTURED ELECTRODES FOR ELECTROCHEMICAL CELLS

Resumen de: TW202431685A

Described herein are, among other things, structured cathodes for use in electrochemical cells (e.g., batteries). In some embodiments, a structured cathode includes at least one electrochemically active material included in a patterned film.The film may be disposed on a substrate (e.g., current collector) or may be free standing. The film has at least one patterned surface, for example has recesses extending into the film. A patterned film may be porous. A patterned film may be made of an assembly of particles including an electrochemically active material. Recesses may include holes or trenches or a combination thereof. Recesses may be formed by removing material from an initial film, such as with laser ablation. Recesses may extend only partially into or entirely through a film. Recesses may be interconnected or separate. Recesses may be disposed regularly or irregularly across a patterned surface.Recesses may be at least partially filled with electrolyte.

ELECTROLYTE, BATTERY, AND ELECTRICAL DEVICE

Resumen de: EP4593147A1

The present application provides an electrolyte, a battery, and an electrical device. The electrolyte of the present application comprises a first additive represented by formula (I), wherein R is selected from one or more of halogen and MO-, and M is selected as an alkali metal. According to the electrolyte of the present application, the erosion of HF on cathode and anode SEI films can be inhibited, the redox reaction between the electrolyte and an anode or a cathode is reduced, the consumption of active lithium is reduced, the decomposition of a solvent in the electrolyte is inhibited, the amount of gas produced during the decomposition of the solvent is reduced, the cycle and storage performance of a secondary battery is improved, and the volume expansion and impedance of a battery cell are decreased.

LITHIUM-RICH ALUMINUM IRON SULFIDE LI-ION BATTERY CATHODES

Resumen de: CN119947981A

Provided herein are compositions, devices, electrochemical systems, and methods related to lithium-rich iron sulfide lithium ion battery cathodes. In some embodiments, the composition is characterized by the formula FX1: Liw-delta AlxFezS2. In some embodiments, w may be greater than or equal to 2 and less than or equal to 2.5. In some embodiments, x may be greater than 0 and less than or equal to 0.5. In some embodiments, z may be greater than 0 and less than or equal to 1. In some embodiments, delta may be greater than or equal to 0 and less than w. In some embodiments, the composition may have a net charge of 0.

ENERGY RECLAMATION AND CARBON-NEUTRAL SYSTEM FOR ULTRA-EFFICIENT EV BATTERY RECYCLING

Resumen de: TW202413272A

The presently disclosed concepts relate to improved techniques for alkali metal extraction and ultra-efficient EV battery recycling systems. By using a solid electrolyte embedded in a matrix, alkali metal (such as lithium) can be more effectively separated from feed solutions. The energy used to initially extract lithium from a feed solution is stored as electrochemical energy, which electrochemical energy is reclaimed in subsequent extraction processing steps. This energy storage and energy reclamation is performed in continuous ultra-efficient ongoing cycles. Since irrecoverable energy losses incurred in each cycle are limited to negligible amounts of joule heating of the system components and feed solution, the system can be sustainably powered using locally-generated renewable energy.

LITHIUM SECONDARY BATTERY

Resumen de: EP4593151A1

The present invention relates to a secondary battery comprising: an electrode assembly in which a positive electrode plate, a negative electrode plate, and a separator interposed between the positive electrode plate and the negative electrode plate are wound in one direction; a battery can in which the electrode assembly is accommodated; and a sealing body for sealing the open end of the battery can. The positive electrode plate comprises a positive electrode active material layer including a positive electrode active material, a conductive material, and a binder, the positive electrode active material includes lithium nickel-based oxide having at least one of single particle form and quasi-single particle form, and the conductive material includes single-walled carbon nanotubes and bundled carbon nanotubes.

ELECTRODE ASSEMBLY AND SECONDARY BATTERY COMPRISING SAME

Resumen de: EP4593150A1

An electrode assembly of the present invention includes a first electrode coated with a first electrode active material layer, a second electrode coated with a second electrode active material layer, and a separator disposed between the first electrode and the second electrode, wherein the separator includes: a porous base material which is disposed between the first electrode and the second electrode and in contact with the first electrode active material layer; and a coating layer which is in contact with the second electrode active material layer and provided on a surface of the porous base material, wherein frictional coefficients between the first electrode active material layer and the porous base material and between the second electrode active material layer and the coating layer correspond to each other.

POWER SUPPLY COMPRISED OF STANDARD ELECTRONIC COMPONENTS AND A BATTERY WITH A SLOPING DISCHARGE PROFILE

Resumen de: CN119895690A

A power supply, system, and method for adapting one or more batteries having a continuously decreasing monotonic discharge profile for a load having an input voltage requirement that cannot be fully satisfied by the voltage of the battery. The power supply may have a boost or buck converter circuit or a combination of boost and buck converter circuits. The power supply may use a sensor node to switch the converter or converters.

METHOD AND SYSTEM FOR MONITORING A BATTERY MANUFACTURING PROCESS

Resumen de: EP4593095A1

A method and a system for monitoring a battery manufacturing method process in which a patterned electrode sheet is formed or processed in multiple sub-processes are provided, wherein the patterned electrode sheet includes a plurality of coating patterns, each coating pattern having at least one coated and one uncoated portion. The method includes acquiring, while the patterned electrode sheet moves through the battery manufacturing process, pattern identification data including pattern identification codes indicating positions of the respective coating patterns on the electrode sheet, acquiring measurement data and/or inspection data by measuring and/or inspecting the electrode sheet while it moves through the battery manufacturing process, the measurement data and/or inspection data including a plurality of measurement and/or inspection values for each coating pattern, generating monitoring data for the multiple sub-processes by associating the measurement data and/or inspection data with the pattern identification data, and matching the monitoring data generated for respective sub-processes such that pattern identification data of one sub-process and pattern identification date of another sub-process are matched with each other, insofar as they are acquired from an identical physical part of the electrode sheet.

MODIFIED BIOSULFUR COMPOSITION USING CALCIUM IONS AND FLUORINE IONS AND METHOD FOR PREPARING SAME

Resumen de: EP4592266A1

The present invention relates to a modified bio-sulfur composition that has excellent storage stability and can be used at room temperature. More specifically, the present invention provides a modified bio-sulfur composition using calcium ions and fluorine ions, which exhibits mechanical properties equivalent to or better than conventionally known modified bio-sulfur binders, and at the same time has excellent storage and storage properties at room temperature, ensuring safety when used on concrete at room temperature, and a method for preparing the same.

SECONDARY BATTERY AND BATTERY MODULE COMPRISING SAME

Resumen de: EP4593130A1

The present invention relates to a secondary battery and a battery module including the same, and more particularly, to a secondary battery in which stress generated in a core part of an internal jelly roll-type electrode assembly during charging and discharging of the secondary battery is relieved and supported to prevent irreversible electrode deformation occurring in the core part and collapse of the core part that may occur through accumulation of the irreversible electrode deformation from occurring, and a battery module including the same.

POSITIVE ELECTRODE ACTIVE MATERIAL AND LITHIUM SECONDARY BATTERY INCLUDING SAME

Resumen de: EP4593114A1

The present invention relates to a positive electrode active material and a lithium secondary battery including the same, and more particularly, to a positive electrode active material including an overlithiated lithium manganese-based oxide, which is capable of preventing the electrochemical properties of a lithium secondary battery, including rate characteristics, from being degraded due to an excess of lithium and manganese in the lithium manganese-based oxide, and particularly preventing the lifetime degradation of a lithium secondary battery by inhibiting or mitigating the elution of a transition metal from the lithium manganese-based oxide, and a lithium secondary battery including the same.

ENERGY STORAGE DEVICE

Resumen de: EP4593051A1

The present invention relates to an energy storage device including a module case in which a plurality of accommodation spaces are formed, a plurality of bare cells, each of which is accommodated in one of the accommodation spaces, a cover coupled to the module case, and a coupling part coupling the module case to the cover, wherein the module case is in direct contact with the bare cells accommodated in the accommodation spaces to support the bare cells, the cover includes a cover main body coupled to the module case to cover the accommodation spaces, an outer wall member protruding from a cover facing surface of the cover main body, which faces the module case, in a first direction toward the module case, and an inner wall member protruding from the cover facing surface in the first direction and disposed to be spaced apart from the outer wall member, and the coupling part includes a first coupling member disposed between the outer wall member and the inner wall member to couple the module case to the cover.

METHOD FOR MANUFACTURING PRECURSOR OF POSITIVE-ELECTRODE ACTIVE MATERIAL FOR LITHIUM-ION SECONDARY BATTERY, PRECURSOR OBTAINED THEREBY, AND METHOD FOR MANUFACTURING POSITIVE-ELECTRODE ACTIVE MATERIAL FOR LITHIUM-ION SECONDARY BATTERY

Resumen de: EP4593118A1

Provided are a method for manufacturing a positive-electrode active material for a lithium-ion secondary battery that has excellent electrochemical characteristics and makes it possible to reduce the amount of greenhouse gases (GHGs) discharged, a precursor used in the aforementioned method, and a method for manufacturing the precursor. The present invention is a method for manufacturing a precursor of a positive-electrode active material for a lithium-ion secondary battery, the method having an oxidation step for mixing together a metal nickel powder and a lithium-containing compound, and then oxidizing the metal nickel powder after the mixing, the oxidation step resulting in formation of a precursor including nickel oxide having an oxidation rate of 10-70%, the oxidation rate indicating the proportion of the amount of oxidized nickel to the entire amount of Ni contained.

COMPOSITE PARTICLES, BINDER COMPOSITION FOR NON-AQUEOUS SECONDARY BATTERY AND NON-AQUEOUS SECONDARY BATTERY ELECTRODE

Resumen de: EP4592360A1

Composite particles are provided, including: a copolymer; and a tackifier, in which the copolymer has a first structural unit derived from a monomer (a1) and a second structural unit derived from a monomer (a2), the monomer (a1) is a nonionic compound having only one ethylenically unsaturated bond, and the monomer (a2) is a compound having a carboxy group and only one ethylenically unsaturated bond.

AQUEOUS SURFACE TREATMENT AGENT AND SURFACE-TREATED METAL

Resumen de: EP4592422A1

The present invention provides an aqueous surface treatment agent which is used for surface treatment of a metal and contains a trivalent chromium compound (A), a water-soluble or water-dispersible acrylic resin (B), a polyfunctional epoxy compound (C) and a phosphoric acid compound (D), wherein: the water-soluble or water-dispersible acrylic resin (B) has a weight average molecular weight of 30,000 to 1,000,000 and a solid acid value of 500 mgKOH/g to 780 mgKOH/g; the ratio of the mass of trivalent chromium contained in the trivalent chromium compound (A) to the total mass of solids is 3% to 15%; the ratio of the mass of solid content of the polyfunctional epoxy compound (C) to the total mass of solids is 1% to 15%; and the ratio of the mass of solid content of the phosphoric acid compound (D) to the total mass of solids is 5% to 25%.

ELECTROLYTE FOR SECONDARY BATTERY, SECONDARY BATTERY, BATTERY MODULE, BATTERY PACK, AND ELECTRIC DEVICE

Resumen de: EP4593142A1

This application provides an electrolyte for secondary battery, a secondary battery, a battery module, a battery pack, and an electric apparatus. The electrolyte for secondary battery includes a fluoroether solvent and an additive, where the additive includes one or more of ionic liquid additive, amide compound additive, cation shielding additive, and alloy additive. In this application, with one or more of ionic liquid additive, amide compound additive, cation shielding additive, and alloy additive added in an electrolyte containing the fluoroether solvent, interface stability of the secondary battery is significantly enhanced, and the cycling performance, storage stability, and overall safety of the secondary battery are improved.

LEAD TAB FOR JOINING TO ELECTRODE TAB, METHOD FOR JOINING SAME TO ELECTRODE TAB, AND LITHIUM SECONDARY BATTERY INCLUDING STRUCTURE HAVING LEAD TAB JOINED TO ELECTRODE TAB

Resumen de: EP4593189A1

A lead tab for bonding an electrode tab, a method for bonding the lead tab to the electrode tab, and a lithium secondary battery including a structure in which the lead tab is bonded to the electrode tab, which can prevent deformation of a lithium negative electrode tab by exposure while improving the physical strength and safety of the bonding area, are disclosed. The lead tab for bonding to the electrode tab includes: a first metal lead for bonding to the electrode tab of the electrode assembly for the lithium secondary battery; and a second metal lead, one end of which is in contact with the first metal lead, capping the electrode tab to form a bonding area.

CRYSTALLIZED GLASS AND METHOD FOR MANUFACTURING CRYSTALLIZED GLASS

Resumen de: EP4592259A1

A crystallized glass comprising: lithium (Li), element M, phosphorus (P), and oxygen (O); and at least one selected from boron (B) and silicon (Si), wherein the element M includes at least one selected from the group consisting of zirconium (Zr), hafnium (Hf), tin (Sn), samarium (Sm), niobium (Nb), tantalum (Ta), tungsten (W), and molybdenum (Mo), the maximum peak, in an X-ray diffraction pattern of the crystallized glass, appearing in a range of 2θ=20° to 30° is derived from a monoclinic crystal structure, and the half width of the maximum peak is 0.10° or more.

METHOD FOR RECOVERING VALUABLE METALS

Resumen de: EP4592413A1

Provided is a method capable of suppressing generation of dust during handling of a mixed powder of positive electrode active material and negative electrode active material, which is the raw material to be processed in the method for recovering valuable metals, and reducing recovery loss of valuable metals due to carry over that occurs when processing the mixed powder. The present invention is a method for recovering valuable metals, wherein the method includes a preparation step S1 that prepares a raw material containing waste lithium-ion batteries, and a granulated material is prepared from a mixed powder in the preparation step S1 by implementing a preliminary kneading step S13 that adds water to a mixed powder containing the positive electrode active materials and the negative electrode active materials that constitute the waste lithium-ion batteries and preliminarily kneads the mixture and a granulation step S14 that further kneads and granulates the preliminarily kneaded material. The amount of water added in the preliminary kneading step S13 is preferably adjusted to 0.14-0.16 by weight ratio relative to the mixed powder. Also, a twin-shaft paddle granulator is preferably used in the granulation step S14, with the circumferential speed of the paddle tips set at 50-90 m/min.

POSITIVE ELECTRODE ACTIVE MATERIAL FOR SECONDARY BATTERIES, AND SECONDARY BATTERY

Resumen de: EP4593117A1

A positive electrode active material for secondary batteries which is one example of the embodiment comprises a first lithium-nickel composite oxide having a volume-based D50 value of 8 µm to 30 µm inclusive and a second lithium-nickel composite oxide having a volume-based D50 value of 6 µm or less. At least one component selected from Ca and Sr is present on the surfaces of primary particles constituting the second lithium-nickel composite oxide. The total content of Ca and Sr in the second lithium-nickel composite oxide is larger than that in the first lithium-nickel composite oxide.

METHOD FOR PRODUCING ELECTRODE

Resumen de: EP4593108A1

Provided is a method of producing an electrode capable of suppressing occurrence of electrode peeling and improving a production yield during vacuum-drying which is a producing step of an electrode.A method of producing an electrode includes a step (S1) of kneading an electrode active material, a conductive auxiliary agent, and a binder to obtain a slurry, a step (S2) of applying the slurry onto a substrate, and a step (S3) of vacuum-drying the applied slurry, in which the kneading is performed by a heating and stirring treatment at 150°C or higher and 200°C or lower and a defoaming and stirring treatment.

CONTROLLING A VIRTUAL POWER PLANT TO PROVIDE SYMMETRIC POWER RESERVE

Resumen de: FI20245077A1

A computer implemented method for controlling a virtual power plant, VPP, to provide (401) symmetric power reserve for an electric grid, wherein the VPP comprises a plurality of battery units. The method includes detecting (402) a need to activate the power reserve for up regulation or for down regulation, wherein the up regulation comprises drawing energy from one or more battery units of the VPP and the down regulation comprises storing energy to one or more battery units of the VPP; obtaining (403) information about energy levels of the battery units of the VPP; arranging (404) the battery units to an up regulation priority order and to a down regulation priority order based on the information about energy levels of the battery units; and activating (407) battery units in the up regulation priority order for up regulation until required capacity is reached, or activating (408) battery units in the down regulation priority order for down regulation until required capacity is reached. The up regulation priority order is arranged (405) by first prioritizing battery units with energy level above a battery unit specific target level, and by then continuing the up regulation priority order by prioritizing battery units with energy level below the battery unit specific target level. The down regulation priority order is arranged by first prioritizing battery units with energy level below a battery unit specific target level, and by then continuing the down regulation priority ord

POSITIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY, METHOD OF PREPARING THE SAME, AND POSITIVE ELECTRODE FOR LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY WHICH INCLUDE THE POSITIVE ELECTRODE ACTIVE MATERIAL

Resumen de: EP4592249A2

The present invention relates to a positive electrode active material including a lithium transition metal oxide, which is doped with doping element M² wherein M² is at least one selected from the group consisting of Al, Ti, Mg, Zr, W, Y, Sr, Co, F, Si, Na, Cu, Fe, Ca, S, and B, and contains nickel in an amount of 60 mol% or more based on a total number of moles of transition metals excluding lithium, wherein the lithium transition metal oxide has a single particle form, and includes a center portion having a layered structure and a surface portion having a rock-salt structure, and the doping element M² is included in an amount of 3,580 ppm to 7,620 ppm based on a total weight of the positive electrode active material, a method of preparing the positive electrode active material, and a positive electrode for a lithium secondary battery and a lithium secondary battery which include the positive electrode active material.

BATTERY ANODE COMPRISING CARBON AND OPTIONALLY SILICON CHARACTERIZED BY THE CARBON DOMAIN SIZE ESTIMATED BY X RAY DIFFRACTION

Resumen de: EP4593140A2

In an aspect, a lithium-ion battery anode composition comprises a porous composite particle comprising carbon (C) and an active material comprising silicon (Si), wherein the carbon is characterized by a domain size (r), as estimated from an atomic pair distribution function G(r) obtained from a synchrotron x-ray diffraction measurement of the porous composite particle, ranging from around 10 Å (1 nm) to around 60 Å (6 nm). In a further aspect, a carbon material for use in making an anode composition for use in a Li-ion battery is characterized by a domain size (r), as estimated from an atomic pair distribution function G(r) obtained from a synchrotron x-ray diffraction measurement of the carbon material, ranging from around 10 Å (1 nm) to around 60 Å (6 nm).

FLUOROPOLYMER BINDER FOR LITHIUM-ION SECONDARY BATTERY CATHODE

Resumen de: EP4593122A1

A fluoropolymer binder composition is provided for use in a lithium-ion secondary battery cathode, containing tetrafluoroethylene polymer and elastomeric fluoropolymer. Cathode compositions are also provided containing this fluoropolymer binder composition together with cathode active particles and conductive carbon. The tetrafluoroethylene polymer is generally a high molecular weight non-melt fabricable tetrafluoroethylene homopolymer and modified tetrafluoroethylene homopolymer. The elastomeric fluoropolymer is generally a vinylidene fluoride elastomeric fluoropolymer. The cathode composition is formed by a process free from solvent, by dry mixing the fluoropolymer binder, cathode active and conductive carbon, and applying a shear force, whereby the tetrafluoroethylene polymer is fibrillated. The cathode compositions have fluoropolymer binder homogeneously dispersed in the major component cathode active, and have elasticity such that thin films of the cathode compositions can be formed into a cylindrical shape without fracture, enabling their utility as lithium-ion battery cathode electrode films.

IMMERSION LIQUID COOLING DEVICE

Resumen de: EP4592629A2

An immersion liquid cooling device includes a housing including a bottom plate and a side plate, and a liquid cooling member provided on the bottom plate. The bottom plate and the side plate define an accommodating cavity accommodating a battery cell group, and the side plate is provided with a liquid inlet and a liquid outlet. The liquid cooling member includes a flow channel portion extending along a first direction, a supporting portion is provided on one side of the flow channel portion in a second direction, a flow guide cavity is formed between the flow channel portion and the supporting portion, the flow guide cavity is in communication with the flow channel portion. An end of the flow channel portion is in communication with the liquid inlet. The flow channel portion is provided with a first supporting surface. The supporting portion is provided with a second supporting surface.

High temperature lithium-ion battery and method of making same

Resumen de: GB2637656A

A high temperature Li-ion rechargeable battery capable of operating in the temperature range of 60 to 100 ºC is disclosed. The Li-ion battery includes a cathode, an anode, an electrolyte in contact with the cathode and with the anode, and a separator positioned between the cathode and the anode and having the electrolyte to either side of the separator. The cathode includes one of LiFePO4 (LFP), a composition of LiNixMnyCozO2 (NMC), a composition of LiNixCoyAl1-yO2 (NCA), and a composition of LiMnxNi2-xO4 (LMO/LMNO). The anode includes one of Li4Ti5O12 (LTO), graphite, Silicon, and a composite of silicon. The separator is one of polypropylene, quartz, and glass fiber. The electrolyte a Lithium salt and a solvent. The solvent is a room temperature ionic liquid (RTIL) with or without additives and/or diluents.

AEROSOL GENERATING DEVICE AND OPERATION METHOD THEREOF

Resumen de: EP4591740A2

An aerosol generating device according to one embodiment may include: a housing that forms an exterior of the aerosol generating device and includes an opening into which a cigarette is inserted; a heater that generates an aerosol by heating the cigarette; a battery that supplies power to the heater; a temperature sensor that senses a temperature of an internal component of the aerosol generating device; and a controller that prevents abnormal operation of the aerosol generating device based on the temperature of the internal component sensed by the temperature sensor.

PEEL-OFF APPARATUS, BATTERY MANUFACTURING DEVICE, AND PEEL-OFF METHOD

Resumen de: EP4592207A1

A tearing apparatus (100), a battery manufacturing device, and a tearing method are disclosed. The tearing apparatus (100) includes a mounting bracket (10), a movement mechanism (20), and a clamping mechanism (30). The movement mechanism (20) includes a first movement assembly (21) and a second movement assembly (22). The first movement assembly (21) is arranged on the mounting bracket (10). The first movement assembly (21) is configured to drive the second movement assembly (22) to move along a first direction. The clamping mechanism (30) includes a connecting bracket (31) and a clamping assembly (32). The second movement assembly (22) is configured to drive the connecting bracket (31) to move along a second direction. The clamping assembly (32) is connected to the connecting bracket (31), and a clamping piece (321) of the clamping assembly (32) can move along a third direction. The clamping piece (321) is configured to clamp a target piece of a material (200) for tearing. The first direction, the second direction, and the third direction intersect with one another.

PRESSURIZING DEVICE, BATTERY PRODUCTION LINE AND PRESSURIZING METHOD

Resumen de: EP4593131A1

This disclosure discloses a pressing apparatus, a battery production line, and a pressing method. The pressing apparatus is configured to press a workpiece queue. The pressing apparatus includes: a placement table, configured to support the workpiece queue, where the workpiece queue includes a plurality of workpieces arranged along a first direction; and at least one pressing assembly, where each pressing assembly includes a first presser and a stopper arranged opposite the first presser, where the first presser is configured to apply an acting force along the first direction to the workpiece queue, the stopper is configured to block the workpiece queue, and the first presser and the stopper are constructed to be capable of moving towards or away from each other along the first direction, where the pressing assembly is constructed to be capable of moving along a second direction intersecting the first direction. The pressing apparatus, battery production line, and pressing method in this disclosure feature high compatibility and high level of automation, helping improve the production efficiency.

CATHODE FOR LITHIUM SECONDARY BATTERY, AND LITHIUM SECONDARY BATTERY COMPRISING SAME

Resumen de: EP4593103A1

A positive electrode for a lithium secondary battery and a lithium secondary battery comprising same, and more particularly to a positive electrode for a lithium secondary battery, wherein the positive electrode composite layer is configured to have a smaller area than the positive electrode current collector, and a lithium secondary battery comprising same.

CARBON NANOTUBE DISPERSION COMPOSITION, MIXTURE SLURRY, ELECTRODE FILM, SECONDARY BATTERY, AND VEHICLE

Resumen de: EP4592245A1

An embodiment of the invention relates to a carbon nanotube dispersion composition. The carbon nanotube dispersion composition includes carbon nanotubes, a dispersant, and a solvent. A content of metal foreign particles determined by Condition 1 as determined in advance is 1.0 mg or less.

BATTERY CASE, BATTERY CELL INCLUDING SAME, AND METHOD FOR MANUFACTURING SAME BATTERY CELL

Resumen de: EP4593169A1

Disclosed are a battery case including a first resin layer having a thermally fusible property, a metal layer having a moisture barrier property, a second resin layer configured to protect an internal component from the outside, and a heat dissipation layer including a carbon material and a binder, wherein the heat dissipation layer is added to the surface of the second resin layer, and the heat dissipation layer has a thickness of 40 nm to 800 nm, whereby the heat dissipation performance is improved while an increase in thickness of the battery case is minimized, a battery cell including the same, and a method of manufacturing the battery cell.

METHOD FOR DETERMINING DEFECT OF BATTERY CELL

Resumen de: EP4592697A1

Disclosed is a defective battery cell determination method including a first step of obtaining the resistance values according to temperature of a plurality of battery cells, wherein each battery cell of the plurality of battery cells is of an equal type, a second step of measuring a temperature value and a resistance value of another battery cell, wherein the another battery cell is of the equal type and is not a battery cell of the plurality of battery cells, and a third step of determining whether the measured temperature value and the resistance value of the another battery cell corresponds to a predetermined good quality standard based on data obtained in the first step, wherein it is determined whether the battery cell is defective based on the value measured in the second step without measuring the elapsed time between the first and second steps.

ENERGY STORAGE SYSTEM AND CONTROL METHOD OF ENERGY STORAGE SYSTEM

Resumen de: EP4593238A1

Disclosed is an energy storage system which may includes a plurality of batteries; one or more power conversion system (PCS) connected with the batteries; and a control apparatus configured to monitor whether a fire occurs in the plurality of batteries.Here, the control apparatus may determine one or more second batteries within a predetermined distance range from a first battery where a fire has occurred and controls the one or more PCSs so that power stored in the one or more second batteries is discharged.

BATTERY STATE OF HEALTH (SOH) ESTIMATING METHOD AND BATTERY SYSTEM PROVIDING SAME

Resumen de: EP4592696A1

The present disclosure relates to a method for estimating a state of health (SOH) of a battery and a battery system providing the same. According to the present disclosure, the battery system includes: a battery; and a battery management system (BMS) configured to obtain degradation conditions related to degradation of the battery at each predetermined monitoring cycle, determine a relational expression representing a relationship between a total energy amount of the battery and a state of health (SOH) of the battery according to the degradation conditions at the each monitoring cycle, and estimate an SOH of the battery according to the relational expression, wherein the total energy amount of the battery is the sum of charge energy and discharge energy of the battery.

SECONDARY BATTERY

Resumen de: EP4593168A1

Disclosed is a secondary battery according to embodiments of the present invention, which includes an electrode structure including a first electrode, a second electrode, and a separator; and a battery case that accommodates the electrode structure therein and is sealed. Here, the battery case may include a first case and a second case which are made of different materials.

HEAT EXCHANGE APPARATUS AND BATTERY PACK

Resumen de: EP4592632A1

One aspect of the present invention relates to a heat exchange apparatus which includes: a bag body having therein a heat exchange flow path through which a heat exchange medium flows; and a plate-shaped body having therein a supply flow path that communicates with one end of the heat exchange flow path and supplies the heat exchange medium to the heat exchange flow path, and a recovery flow path that communicates with the other end of the heat exchange flow path and recovers the heat exchange medium, in which the bag body has an inlet port through which the heat exchange medium flows in and an outlet port through which the heat exchange medium flows out, the plate-shaped body has a first boss portion having an outlet hole that communicates with the supply flow path and allows the heat exchange medium to flow out, and a second boss portion having an inlet hole that communicates with the recovery flow path and allows the heat exchange medium to flow in, the first boss portion is fitted to the inlet port, and the second boss portion is fitted to the outlet port.

ELECTRODE FOR RECHARGEABLE BATTERY

Resumen de: EP4593099A1

An electrode for a rechargeable battery includes a substrate having an electrode uncoated region, and an active material layer forming an active electrode region on the substrate, the active material layer having an end portion that has an inclined surface with respect to the substrate. An auxiliary layer is formed on the inclined surface of the active material layer, wherein the auxiliary layer includes an active material and a resin.

NEGATIVE ELECTRODE AND LITHIUM SECONDARY BATTERY

Resumen de: EP4593102A1

The present invention relates to a negative electrode for a secondary battery and a secondary battery comprising same, the negative electrode comprising: a current collector and a negative electrode active material layer provided on at least one surface of the current collector, wherein the negative electrode active material layer includes a first region corresponding to 50% of the total thickness of the negative electrode active material layer from a surface facing the current collector, and a second region corresponding to 50% of the total thickness of the negative electrode active material layer from a surface opposite to the surface facing the current collector. The negative electrode active material layer includes two or more kinds of negative electrode active materials that are different from each other in D₅₀ and satisfies formulas 1 and 2.

LITHIUM SECONDARY BATTERY

Resumen de: EP4593112A1

The present invention relates to a lithium secondary battery which comprises a cathode, a separator and an anode, the anode including a silicon-based active material, and which has a resistance ratio, represented by formula 1, of 100% to 140%.

SEMI-SOLID-STATE LITHIUM BATTERY AND TERMINAL COMPRISING SAME

Resumen de: EP4593121A1

This application provides a semi-solid state lithium battery, including: an electrolyte solution; a separator disposed in the electrolyte solution; and a positive electrode plate and a negative electrode plate that are respectively disposed on two sides of the separator, where the positive electrode plate includes a positive current collector and a positive active layer disposed on the positive current collector, the positive active layer is doped with 0.1 wt%~5 wt% of oxide electrolyte, and D50 of the oxide electrolyte is 0.05 µm~1.2 µm; and the negative electrode plate includes a negative current collector and a negative active layer disposed on the negative current collector. In this application, the positive active layer is doped with the oxide electrolyte, to reduce a lowest electrolyte solution retention coefficient of the battery and reduce an expansion rate of the battery after high-temperature cycle 1000cls, and improve performance such as a capacity retention rate of the battery after high-temperature cycle 1000cls, a capacity retention rate of the battery at -20°C, a quantity of pulse discharge times of the battery at -20°C, a rate discharge capacity of the battery at 2 C/0.2 C, and a temperature of a thermal shock test chamber for the battery.

HEAT SINK ASSEMBLY

Resumen de: EP4593160A1

A heat sink assembly including a heat sink having a plurality of ribs extending along a longitudinal direction of the heat sink, a plurality of spaces located between the plurality ribs form a plurality of flow paths, an open first surface and an open second surface at opposite longitudinal ends of the heat sink, a first end plug including an inner end plug configured to close a portion of the first surface, the inner end plug includes a cut-out flow path formed along a width direction of the heat sink, the cut-out flow path having an open surface parallel with the first surface, and an outer end plug configured to close the open surface of the cut-out flow path and the remaining portion of the first surface not closed by the inner end plug, and a second end plug configured to close the second surface.

SYSTEMS AND METHODS FOR MONITORING THERMAL CONDITIONS OF BATTERIES IN A STORAGE AREA

Resumen de: MX2025005634A

Battery-monitoring wireless temperature sensors (WTSs) are positioned so that they can obtain temperature data related to batteries that are being stored in a storage area. Reference WTSs are positioned throughout the storage area to provide representative ambient temperature data. The battery-monitoring WTSs and the reference WTSs wirelessly transmit temperature measurements to a temperature processing system. The temperature processing system processes the battery-monitoring temperature measurements based on the reference temperature measurements and previous battery-monitoring temperature measurements. In some embodiments, the temperature processing system compares a battery-monitoring temperature measurement received from a particular battery-monitoring WTS to (i) at least one reference temperature measurement, and (ii) any previous battery-monitoring temperature measurements from that same WTS. If the battery-monitoring temperature measurement exceeds (i) or (ii) by a predefined threshold amount, then some type of preventive action is initiated.

POSITIVE ELECTRODE ACTIVE MATERIALS, PREPARATION METHODS THEREOF, POSITIVE ELECTRODES, AND RECHARGEABLE LITHIUM BATTERIES

Resumen de: EP4593100A1

A positive electrode active material includes core particles including lithium cobalt-based composite oxide; and a coating layer located on a surface of the core particles and including a lithium iron phosphate-based compound and aluminium. The positive electrode active material according to some embodiments has long cycle-life characteristics and improved stability even at high voltage. When the positive electrode active material is applied to a rechargeable lithium battery, suitably high initial charge/discharge capacity and efficiency may be achieved under high-voltage operating conditions, and suitably long cycle-life characteristics may be achieved under high-voltage and high-temperature conditions.

POSITIVE ELECTRODE ACTIVE MATERIALS, PREPARATION METHODS THEREOF, POSITIVE ELECTRODES, AND RECHARGEABLE LITHIUM BATTERIES

Resumen de: EP4593115A1

Provided is a positive electrode active material including core particles including zirconium-doped layered lithium nickel-manganese-aluminium-based composite oxide, wherein the core particle is a secondary particle formed by agglomerating a plurality of primary particles, an average particle diameter (D50) of the secondary particles is about 10 µm to about 25 µm, and in the zirconium-doped layered lithium nickel-manganese-aluminium-based composite oxide, a zirconium content is about 0.2 mol% to about 0.8 mol% based on 100 mol% of a total metal excluding lithium. The positive electrode active material according to some embodiments may maximize capacity, while minimizing a production cost, to ensure long cycle-life characteristics and improve high-voltage characteristics and high-temperature characteristics. If the positive electrode active material is applied to a rechargeable lithium battery, high initial charge/discharge capacity and efficiency may be achieved under high-voltage operating conditions, and long cycle-life characteristics may be realized under high-voltage and high-temperature conditions.

BATTERY MANAGEMENT SYSTEM AND RELATED DEVICE

Resumen de: EP4593240A1

This application provides a battery management system and a related device. The BMS includes a first BMU and a second BMU. Inside the first BMU, a first BMIC is connected between a first-type input port and a first-type output port, and a second-type input port is connected to a second-type output port. Inside the second BMU, a second BMIC is connected between a second-type input port and a second-type output port, and a first-type input port is connected to a first-type output port. The first BMIC and the second BMIC support different communication protocols. The first-type output port of the first BMU is connected to the first-type input port of the second BMU, and the second-type output port of the first BMU is connected to the second-type input port of the second BMU, so that the first BMU communicates with the second BMU. Based on this application, BMUs of different types of BMICs can be used together in a same battery management system, and system compatibility is better.

ANODE FOR LITHIUM METAL BATTERY, LITHIUM METAL BATTERY INCLUDING THE SAME, AND METHOD OF PREPARING ANODE FOR LITHIUM METAL BATTERY

Resumen de: EP4593111A1

A lithium metal battery may include an anode, and a method of preparing an anode for a lithium metal battery, wherein the anode may include an anode current collector; and an electrodeposition inducing layer disposed on the anode current collector, the electrodeposition inducing layer including a first electrodeposition inducing layer and a second electrodeposition inducing layer disposed between the first electrodeposition inducing layer and the anode current collector, the first electrodeposition inducing layer including a metal, and the second electrodeposition inducing layer including a conductive polymer.

SOLID STATE BATTERY

Resumen de: EP4593124A1

Die Erfindung betrifft eine Festkörperbatterie (1) mit zumindest einem kathodenseitigen Stromsammler (2), einer Kathodenschicht (3), einer Separatorschicht (4) und einem anodenseitigen Stromsammler (6). Die erfindungsgemäße Festkörperbatterie ist dadurch gekennzeichnet, dass zwischen der Kathodenschicht (3) und dem kathodenseitigen Stromsammler (2) eine Sicherheitsschicht (7) angeordnet ist, welche Kohlenstoff und wenigstens ein thermisch sensitives Salz aufweist, welches sich bei Temperaturen in der Größenordnung von 100° bis 180° C zersetzt.

AFE CHIP WITH SYNCHRONOUS VOLTAGE SAMPLING AND BATTERY MANAGEMENT SYSTEM

Resumen de: EP4593153A1

The present disclosure provides an AFE chip with synchronous voltage sampling function and a battery management system. N AFE chips are coupled respectively with n battery units, and the first to nth AFE chips are cascaded in a daisy chain. An i-th AFE chip calculates an i-th delay time tdi according to the time point tit when the i-th AFE chip transmits first broadcast command information and the time point tir when it receives response information, and according to a first time T1; where 1 ≤ i < n. The first time T1 represents a time difference between the time point tn' when the n-th AFE chip receives the first broadcast command information and the time point tnt when it transmits the response information. The i-th AFE chip executes second broadcast command information, after the i-th AFE chip receives the second broadcast command information and delays for the i-th delay time tdi; and the n-th AFE chip executes the second broadcast command information at the time point when receiving the second broadcast command information. The second broadcast command information is a voltage sampling command to ensure approximately synchronous voltage sampling timings of the n AFE chips.

BATTERY PACK

Resumen de: EP4593175A1

A battery pack according to the present disclosure is designed to adaptively provide a capacity and an output according to demands for a battery pack. The battery pack includes a plurality of battery cells and has a simplified electrical connection structure among the plurality of battery cells such that a cooling structure for the plurality of battery cells may have uniform cooling without temperature dispersion.

PRESSURIZING AND SEALING DEVICE FOR ALL-SOLID-STATE SECONDARY BATTERY

Resumen de: EP4593138A1

Proposed is a pressurizing and sealing device for an all-solid-state secondary battery. More particularly, proposed is a pressurizing and sealing device for an all-solid-state secondary battery, in which a side of the pressurizing and sealing device is vacuum-adsorbed to seal an all-solid-state secondary battery while forming an internal space that transmits a pressurizing force to the all-solid-state battery, thereby enabling the all-solid-state battery to be pressurized under isotropic pressure conditions during a high-temperature pressurization process for the second battery.

METHOD OF ENHANCING ELECTROCHEMICAL CELL PERFORMANCE

Resumen de: EP4593154A1

A method of enhancing performance of an electrochemical cell having a first electrode and a second electrode and electrolyte between the first and second electrodes. The first and second electrodes define a current flow path and the method comprises providing a changing magnetic field through the cell.

CURRENT COLLECTOR WITH EMBOSSED BUMPS

Resumen de: EP4593167A2

Current collector (100) comprising a central region (113) and edge regions (114), the central region being used for welding to the housing of a battery, wherein the central region (113) is provided with a plurality of embossed bumps (115), the embossed bumps (115) being in a cross array distribution.

METHOD FOR SELF-CONFIGURING THE CHARGING CONDITIONS OF A STORAGE BATTERY

Resumen de: EP4593241A1

Procédé d'auto-paramétrage des conditions de charge d'une batterie d'accumulateurs électrochimiques, notamment une batterie lithium, ladite batterie étant connectée à une source d'alimentation apte à la charger, comprenant :la détection d'au moins un point p d'inflexion dans la courbe de tension de charge de la batterie U_bat fonction du taux de charge électrique exprimé en pourcentage de la capacité C de la batterie ;pour chaque point p d'inflexion détecté, une déconnexion de la batterie de sa source d'alimentation pendant une période de relaxation prédéterminée ;à l'issue de ladite période de relaxation, la mémorisation de la tension à vide U_xR de la batterie pour chacun des points d'inflexion, ladite tension à vide U_xR constituant un marqueur d'un niveau de charge intermédiaire utilisable comme seuil d'arrêt de charge au cours de la charge d'une batterie.

BATTERY PACK AND ENERGY STORAGE SYSTEM

Resumen de: EP4593184A1

This application provides a battery pack, including a cell and a casing. There are a plurality of cells. An explosion-proof valve and a deflector cap are disposed on an outer wall of the casing, the deflector cap is fastened to the outer wall, a periphery of the explosion-proof valve is capped by the deflector cap, and the deflector cap is provided with one or more vents, where a range of an included angle A between an opening direction of at least one vent in the one or more vents and the outer wall is 0°≤A<90°. The deflector cap functions to slow down and cool down a high-temperature gas, dust, and electrolyte released from the battery pack, to prevent the released high-temperature gas from impacting a surrounding environment.

METHOD FOR REGENERATING OR RECOVERING PERFORMANCE OF HALIDE-BASED SOLID ELECTROLYTE

Resumen de: EP4593141A1

Methods for recovering the performance of a halide-based solid electrolyte are described. In one aspect, a halide-based solid electrolyte that has been exposed to air is subjected to a heat-treatment process, where the performance of the halide-based solid electrolyte is recovered, e.g., the ionic conductivity obtained after heat treatment is recovered to a level similar to that before air exposure.

BATTERY CELL, FABRICATION METHOD THEREFOR AND FABRICATION DEVICE THEREOF, BATTERY, AND ELECTRICAL APPARATUS

Resumen de: EP4593191A2

This application discloses a battery cell and a method and equipment for manufacturing same, a battery, and an electrical device, and relates to the technical field of battery manufacturing. This application discloses a battery cell, including: a shell, including a first wall; an electrode terminal, dielectrically mounted on the first wall; an electrode assembly, accommodated in the shell, where the electrode assembly includes a center hole, and a first tab is disposed on the electrode assembly; and a current collection component, disposed between the first wall and the electrode assembly. The current collection component includes a center portion and a periphery portion. The center portion positionally corresponds to the center hole. The center portion is configured to be connected to the electrode terminal. The periphery portion is configured to be connected to the first tab. A guide channel is disposed on the current collection component. The guide channel is configured to guide an electrolytic solution in the center hole to diffuse from the center portion to the periphery portion. The electrolyte injection efficiency, the capacitance, and the safety performance of the battery cell are relatively high. This application further discloses a battery and an electrical device that include the battery cell. This application further discloses a method and equipment for manufacturing the battery cell.

POSITIVE ELECTRODE ACTIVE MATERIALS, PREPARATION METHODS THEREOF, POSITIVE ELECTRODES, AND RECHARGEABLE LITHIUM BATTERIES

Resumen de: EP4593104A1

A positive electrode active material for rechargeable lithium batteries includes: a first positive electrode active material including a first lithium nickel-based composite oxide and being in a form of secondary particles having an average particle diameter (D₅₀) of about 10 µm to about 25 µm; a second positive electrode active material including a second lithium nickel-based composite oxide and being in a form of secondary particles having an average particle diameter (D₅₀) of about 0.5 µm to about 8 µm; and a third positive electrode active material including a third lithium nickel-based composite oxide and being in a form of secondary particles including a plurality of primary particles, wherein an average particle diameter (D₅₀) of the secondary particles is about 0.5 µm to about 8 µm, and the primary particles constituting the secondary particles of the third positive electrode active material are needle-shaped.

POSITIVE ELECTRODE ACTIVE MATERIALS, POSITIVE ELECTRODES, AND RECHARGEABLE LITHIUM BATTERIES

Resumen de: EP4593110A1

A rechargeable lithium battery including a positive electrode, itself including a positive electrode active material is disclosed. The positive electrode active material includes: (1) a first positive electrode active material including a layered lithium nickel-manganese-based composite oxide and being in a form of secondary particles, the secondary particles including a plurality of primary particles, with an average particle diameter (D₅₀) of the secondary particles being about 10 µm to about 25 µm; and (2) a second positive electrode active material including a layered lithium nickel-cobalt-based composite oxide and being in a form of single particles, with an average particle diameter (D₅₀) of the single particles being about 0.5 µm to about 8 µm.

POSITIVE ELECTRODE MATERIAL AND PREPARATION METHOD THEREFOR, AND SECONDARY BATTERY AND ELECTRIC DEVICE COMPRISING SAME

Resumen de: EP4593113A1

The present application provides a positive electrode material comprising a substrate particle of formula (I):        Li1+aNixCoyMnzMbWcO2     (I)wherein the M is selected from one or more of Mo, Zr, Al, Ti, Sb, Nb, Te, Mg, Al, Ca, Zn and Sr, 0.6 < x < 1,0 < y < 0.4, 0 < z < 0.4, 0 < a < 0.2, 0 < b < 0.1, 0 < c < 0.1, and x + y + z + b + c = 1; and the W is enriched at the grain boundary of the substrate particle. The positive electrode material of the present application has a relatively high specific capacity, a relatively good cycling performance, a relatively high compacted density, and a reduced content of lithium impurities and gas production. The present application further provides a method for preparing a positive electrode material, a positive electrode plate comprising the positive electrode material, a secondary battery, and a power consuming device.

BATTERY MODULE ASSEMBLING METHOD

Resumen de: EP4593177A1

A battery module assembly method to assemble a module unit (100) and a module housing (200) using an assembly jig, the assembly jig comprises: a support platform (1), the support platform (1) is used to support each module unit (100) of the battery module and is provided with a plurality of module unit positioning parts (10); an assembly base plate (2) is connected to the lower side of the support platform (1), the assembly base plate (2) is used to install the support platform (1) and is provided with a plurality of module housing positioning parts (20), the battery module assembly method comprising: step S1: positioning each module unit (100) on the support platform (1) using the module unit positioning parts (10); step S2: installing a soft copper plate (300) between each module unit (100) to achieve electrical connection between each module unit (100); step S3: placing the module housing (200) abutted against each module housing positioning part (20) so that the module housing (200) is sleeved on the outside the module unit (100); step S4: fixedly connecting the module unit (100) to the module housing (200).

COMPOSITE NEGATIVE ELECTRODE MATERIAL, AND PREPARATION METHOD THEREFOR AND USE THEREOF

Resumen de: EP4593109A1

A composite negative electrode material, and a preparation method therefor and the use thereof, which belong to the technical field of batteries. The composite negative electrode material comprises an inner core and a coating layer located on at least part of the surface of the inner core, wherein the inner core comprises a porous carbon and Si particles, and the Si particles are distributed on the surface and/or in the pores of the porous carbon. The composite negative electrode material is provided with micropores and mesopores, wherein the ratio of the pore volume of the micropores to the pore volume of the mesopores is (2-50):(50-98). The oil absorption value of the composite negative electrode material is smaller than the oil absorption value of the composite negative electrode material in which the Si particles are removed, and the difference between the oil absorption value of the composite negative electrode material in which the Si particles are removed and the oil absorption value of the composite negative electrode material is ≥10%, based on the fact that the oil absorption value of the composite negative electrode material in which the Si particles are removed is 100%. The composite negative electrode material utilizes the porous characteristic of porous carbon to provide space for the volume expansion of Si, and further utilizes porous carbon having a certain strength as a framework to further ensure the stability of the whole composite negative electrode mater

PROCESS FOR EFFICIENT RECYCLING OF CATHODE ACTIVE MATERIALS

Resumen de: WO2024059933A1

A process of forming recycled cathode active material, particularly from depleted cathode active material from a battery, comprising: forming black mass from the depleted cathode active material; digesting the black mass with a carboxylic acid to form delithiated cathode active material precursor; adding virgin lithium salt to the delithiated cathode active material precursor to form cathode active material precursor; and calcining the cathode active material precursor to form the recycled cathode active material.

METHOD AND SYSTEM FOR MONITORING A BATTERY MANUFACTURING PROCESS

Resumen de: EP4593094A1

A method and a system for monitoring a battery manufacturing process in which a patterned electrode sheet is formed or processed are provided, wherein the patterned electrode sheet includes a plurality of coating patterns, each coating pattern having at least one coated and one uncoated portion. The method includes acquiring, while the patterned electrode sheet moves through the battery manufacturing process, pattern identification data including pattern identification codes representing a respective one of the plurality of coating patterns by its position on the patterned electrode sheet, acquiring measurement data and/or inspection data by measuring and/or inspecting the patterned electrode sheet while it moves through the battery manufacturing process, and generating monitoring data on the battery manufacturing process by associating the measurement data and/or inspection data with the pattern identification data.

APPARATUS AND METHOD FOR MAKING COILS, PREFERABLY FOR AN ELECTROCHEMICAL CELL INTENDED FOR BATTERY PRODUCTION

Resumen de: CN119866560A

An apparatus (100) for manufacturing coils, preferably for electrochemical cells for battery production, comprises: a feeding unit (2) configured to feed at least a first strip-shaped article (N1) for forming a first coil (B1) and a second strip-shaped article (N2) for forming a second coil (B2); a winding unit (1) comprising a plurality of winding heads (10) comprising at least a first winding head (11) configured to wind a first strip-shaped article (N1) and a second winding head (12) configured to wind a second strip-shaped article (N2); and at least one movement device (3) of the winding head (10) configured to move the first winding head (11) and the second winding head (12). The first winding head (11) and the second winding head (12) define respective winding axes (X1, X2) substantially parallel to each other. The winding unit (1) is configured to define a separation plane (beta) which is substantially perpendicular to the winding axis (X1, X2), and the separation plane is positioned such that, at least at the first winding head (11) and the second winding head (12), one of the first strip-shaped article (N1) and the second strip-shaped article (N2) is on one side of the separation plane (P) and the other is on the opposite side of the separation plane (P).

BATTERY PACK AND BATTERY SYSTEM THEREOF

Resumen de: EP4593161A1

A battery pack(12) includes a casing(18), a pipe assembly(26), and first, second and third battery modules(20, 22, 24) disposed within the casing(18). The pipe assembly(26) includes an input pipe(40), an output pipe set(50), a communication pipe set(48), and first, second, and third pipe sets(42, 44, 46). The first pipe set(42) is disposed at a first side portion of the casing(18) to be coupled to the input pipe(40) and the first battery modules(20). The second and third pipe sets(44, 46) are disposed at a second side portion of the casing(18) to be coupled to the second and third battery modules(22, 24), respectively. The output pipe set(50) is coupled to the second battery module(22) and the third battery module(24). The communication pipe set(48) is disposed at a back portion of the casing(18), coupled to the first battery module(20), and coupled in parallel to the second battery module(22) and the third battery module(24).

PLUG, ELECTRICAL CONNECTOR, BATTERY PACK AND ELECTRIC DEVICE

Resumen de: EP4592655A1

The disclosure provides a plug, an electrical connector, a battery pack and an electric device, the plug including an insertion end and a tail end in a first direction, and the insertion end being configured for connection with the socket. The plug includes a first housing and a pin disposed in the first housing. The pin includes a terminal and an insulated second housing, the terminal being disposed in the second housing, and the second housing being provided with a first groove on the side of the tail end. The plug also includes a temperature sensing device disposed in the first groove and in contact with the terminal. The temperature sensing device is disposed in the first groove located at the tail end of the plug, the temperature sensing device is in contact with the terminal for temperature measurement and also facilitates its wiring, without interfering with other elements, and the structure of the plug is also relatively simple.

BATTERY FOR A POWER TOOL

Resumen de: EP4593236A1

A battery (2) is provided that is arranged to power a power tool (3) connected thereto. The battery comprises a communication interface (6) arranged to communicate with the power tool, and a control device (4). The control device is configured to, via the communication interface, receive from the power tool data indicative of an energy requirement for an upcoming operation to be performed by the power tool; estimate whether the battery at the moment is able to deliver power according to said energy requirement; and, based on the estimation, issue an approval or a denial of taking power from the battery to the power tool for performing the operation.

METHOD AND DEVICE FOR DETECTING THERMAL RUNAWAY OF AN ELECTRIC BATTERY OF A MOTOR VEHICLE

Resumen de: WO2024062048A2

The invention relates to a method for detecting thermal runaway of an electric battery (200) of a motor vehicle, at least comprising recording a pressure inside a battery housing (210) using at least one pressure sensor (10); recording an acceleration of the battery (200) using at least one acceleration sensor (20); processing pressure measured values (86) from the at least one pressure sensor (10) and acceleration measured values (88) from the at least one acceleration sensor (20) in a computing unit (30); setting a detection signal (90) for detecting the thermal runaway of the electric battery (200) on the basis of pressure measured values (86) from the at least one pressure sensor (10). In this case, at least one adapted pressure threshold value (83, 85) is used to set the detection signal (90), which adapted pressure threshold value is determined from at least one previous pressure threshold value (82, 84) on the basis of acceleration measured values (88) from the at least one acceleration sensor (20). The invention also relates to a device (100) for carrying out a method for detecting thermal runaway of an electric battery (200) of a motor vehicle.

A COMPOSITE POWDER FOR USE IN THE NEGATIVE ELECTRODE OF A BATTERY AND A BATTERY COMPRISING SUCH A COMPOSITE POWDER

Resumen de: CN119731119A

A composite powder for use in a negative electrode of a battery, the composite powder comprising composite particles comprising a carbon matrix material and silicon-based particles embedded in the carbon matrix material, the composite powder having a Raman spectrum, wherein the D band and the D'band, both corresponding to the contribution of the carbon matrix material, have a maximum intensity ID between 1330 cm <-1 > and 1360 cm <-1 > and a maximum intensity ID 'between 1600 cm <-1 > and 1620 cm <-1 >, respectively, with the ratio ID/ID' being at least equal to 0.9 and at most equal to 4.0.

PRODUCTION OF A BATTERY COMPRISING A HOUSING

Resumen de: CN119908042A

The invention relates to a method for producing a battery having a battery element composite having at least one battery element and a housing surrounding the battery element composite, the housing comprising a base housing (8) which delimits a housing interior (11) for at least partially accommodating the battery element composite and which has a housing opening (20), the base housing (8) has a housing opening (20) through which the battery element composite is brought into the housing interior (11), the housing opening (20) being immediately closed by a cover plate of the housing, characterized in that the base housing (8) is produced by cutting a blank, the shape of which is designed such that the shape comprises the shapes of two of the base housings (8).

SOLID-STATE BATTERY AND METHOD FOR MANUFACTURING THE BATTERY

Resumen de: WO2024062050A1

The invention relates to a method for manufacturing a liquid-electrolyte-free battery and/or a solid-state battery, the method comprising: providing a cathode mix of components containing a cathode active material and a reagent, said mix of components preferably providing at least the constituents of a cathode, and said mix of components containing at least one conductive material; providing an anode and inducing in-situ formation of a passivation layer functioning as a separator between the anode and the cathode. The invention further relates to a battery and an assembly for manufacturing a battery.

ELECTRIC MODULE COMPRISING A PLURALITY OF BATTERY CELLS IMMERSED IN A DIELECTRIC FLUID

Resumen de: WO2024062012A1

The invention relates to an electric battery module (10) comprising a housing (2, 12) in which a plurality of cells (1, 70) are arranged so as to exchange heat with a coolant circulating between gaps formed between adjacent cells (1, 29, 70), characterized in that the housing (2, 12) has - an intermediate space (150) in which the adjacent cells (1, 9, 70) are arranged vertically and between which the coolant (5) flows; - a lower space (130) supplied by the at least one inlet port (3) for coolant (5); - an upper space (140) which opens to the exterior of the housing via the at least one outlet port (4) for coolant (5). A head loss device (6) is arranged between the lower space (130) and the intermediate space (150), and is configured to locally modify the resistance to flow between the one or more regions closest to the at least one inlet port (3) for coolant (5) and the one or more opposite regions of the lower space (130). The invention also relates to an electric battery comprising a plurality of such sealed modules (10), the valves of which are connected to the frame for the battery.

METHOD FOR PRODUCING ALKALI SULFONYL IMIDE SALTS

Resumen de: CN119894817A

The present invention relates to a process for the production of a salt of bis (chlorosulfonyl) imine (HSCI salt), which process is economically viable on an industrial scale and provides a high purity product. The invention also provides a process for the production of a lithium salt of bis (fluorosulfonyl) imide (LiFSI), wherein the HSCI salt is used as an intermediate compound.

ELECTROCHEMICAL CELL COMPRISING A POLYMER ELECTROLYTE AND A NICKEL BASED CATHODE ACTIVE MATERIAL

Resumen de: CN119816976A

The present invention relates to an electrochemical cell comprising an anode, a polymer electrolyte and an NMC-type cathode active material. The polymer electrolyte comprises an electrolyte composition, preferably comprising a deep eutectic solvent (DES) and a polymer network having a polyacrylamide backbone.

POLYMER ELECTROLYTE COMPRISING A POLYACRYLAMIDE AND METHODS FOR THE PRODUCTION THEREOF