Almacenamiento en baterías

NONAQUEOUS ELECTROLYTE SECONDARY BATTERY

Resumen de: US2024291033A1

A nonaqueous electrolyte secondary battery includes a positive electrode, a negative electrode, and a nonaqueous electrolyte. The positive electrode includes a positive electrode active material, and the positive electrode active material includes a lithium-transition metal composite oxide containing Ni, Mn, and Al. The proportions of Ni, Mn, and Al in metal elements other than Li contained in the lithium-transition metal composite oxide are, respectively, Ni: 50 atm % or more, Mn: 10 atm % or less, and Al: 10 atm % or less. When the lithium-transition metal composite oxide contains Co, the proportion of Co in the metal elements other than Li is 1.5 atm % or less. The nonaqueous electrolyte contains an oxalate compound, and the oxalate compound contains a lithium cation and an oxalate complex anion.

POWDER MIXTURE FOR HEAT DISSIPATION AND COMPONENTS HAVING THE POWDER MIXTURE

Resumen de: US2024291062A1

A powder mixture (16) for heat dissipation and a process for forming the powder mixture (16) are disclosed. The powder mixture (16) includes C15H24, a carbonate, an oxide, an oxalate, and two or more materials selected from the group consisting of a chloride and one or more transition metal source. A component having the powder mixture (16) and a process for forming the component are also disclosed. The process for forming the component includes arranging a plurality of cells (12) of the component in an arrangement and filling a powder mixture (16) in interstitial gaps between the cells. The disclosed powder mixture (16) is tested to be very efficient, providing passive cooling, and allowing compact construction of the components. Simple processing of the powder mixture (16) enables an easy implementation of the battery modules in various systems.

SOLID ELECTROLYTE MATERIAL AND BATTERY USING SAME

Resumen de: US2024291027A1

The solid electrolyte material of the present disclosure comprises Li, M, Y, Gd, and I. M is at least one selected from the group consisting of Mg, Sr, Ba, and Zn. The battery of the present disclosure comprises a positive electrode, a negative electrode, and an electrolyte layer provided between the positive electrode and the negative electrode. At least one selected from the group consisting of the positive electrode, the negative electrode, and the electrolyte layer comprises the solid electrolyte material of the present disclosure.

FIBROUS SILICON-CARBON COMPOSITE MATERIAL AND PREPARATION METHOD THEREFOR

Resumen de: WO2024174293A1

Disclosed are a fibrous silicon-carbon composite material and a preparation method therefor. The fibrous silicon-carbon composite material comprises a core-shell structure, the core of the core-shell structure being composed of a porous carbon fiber and a nanometer silicon, and the shell of the core-shell structure being composed of an inorganic lithium salt and an amorphous carbon. The present invention has the characteristic of high electronic conductivity, and a lithium-ion battery in which said material is applied presents excellent rate and cycle performance.

BATTERY PROVIDED WITH A COOLING DEVICE COMPRISING AT LEAST ONE HEAT PIPE

Resumen de: WO2024175841A1

The invention relates to an electric battery (10) comprising a plurality of electrochemical cells (11) arranged inside a containment structure (12). The battery (10) is provided with a cooling device comprising at least one heat pipe (1) configured to contain a heat-transfer fluid that is intended to undergo an evaporation and condensation cycle, wherein calories are drawn from an evaporation end (4) of the heat pipe (1) arranged in contact with the cells (11) and delivered to a condensation end (5) of the heat pipe (1) to a cold source (F) located outside the confinement structure (12), the at least one heat pipe (1) being overmoulded onto a base (13) of the confinement structure (12).

ALUMINUM OXIDE DISPERSIONS FOR USE AS SEPARATOR COATING IN SECONDARY BATTERIES

Resumen de: WO2024175389A1

An aqueous dispersion containing aluminum oxide powder, characterized in that the aluminum oxide powder is present in the form of aggregated primary particles with an aggregate particle size distribution with a median aggregate particle size (D50) of 220 nm to 500 nm, as determined by dynamic light scattering measurement, and wherein the aluminum oxide powder has a BET of 10 m2/g to 100 m2/g, in an amount of at least 20 wt.%, preferably 40 to 60 wt.%, and more preferably 50 to 60 wt.% based on the total weight of the dispersion, and that the dispersion further comprises: - at least one carboxylic acid from the group consisting of dicarboxylic acids and/or hydroxy tricarboxylic acids having from 2 to 7 carbon atoms, and - at least one amino alcohol having from one to six carbon atoms, preferably DMEA (dimethylethanolamine), 2-Amino-2-Methyl-1 -Propanol.

ADVANCED ANISOTROPIC 3D CURRENT COLLECTOR WITH TAILORED ELECTRON TORTUOSITY OPTIMIZED TOWARDS THE DIRECTION OF TABS

Resumen de: WO2024175210A1

Embodiments are disclosed related to a current collector comprising a porous, freestanding, three-dimensional structure and at least one current collector tab. The at least one tab and the three-dimensional structure are connected. The three- dimensional structure comprises at least one layer that is formed of a one-dimensional (1D) nanomaterial, a two-dimensional (2D) nanomaterial, or mixtures thereof, and wherein the nanomaterial in said layer is aligned towards the at least one tab.

LITHIUM-ION CONDUCTOR MATERIALS

Resumen de: WO2024175916A1

A solid crystalline material of formula (I): LiaM2-bMʹbS7-yYy I1-xXx; wherein: a is from 5 to 9; M is selected from Si, Ge or Sn, or a mixture thereof; Mʹ is selected from Zn, B, Al, Ga, Sb, P, V, Nb, Ta, Mo, or W, or a mixture thereof; b is from 0 to 2; Y is selected from O, Se, Te, N, F, Cl, Br or I, or a mixture thereof; y is from 0 to 5; X is selected from O, S, Se, Te, F, Cl, Br, BH4, OH, or NH2, or a mixture thereof; and x is from 0 to 1. The solid crystalline material suitably provides a solid ionic conductor for use in a solid-state battery. A solid crystalline material comprising a solid solution, a solid-state battery comprising the solid crystalline material and a method of preparing the solid crystalline are also disclosed.

BATTERY THERMAL INSULATION PAD AND BATTERY PRODUCT USING SAME

Resumen de: WO2024175318A1

Disclosed in the present invention is a battery thermal insulation pad, characterised in that the battery thermal insulation pad comprises at least one elastic functional layer (10) and at least one fibrous support layer (20), the elastic functional layer (10) comprising an organic base material and a first filler, the first filler comprising at least one of a heat-absorbing filler or a thermal insulation filler, and combinations thereof; the fibrous support layer (20) comprising a fibrous base material with gaps; wherein the elastic functional layer (10) at least partially fills the gaps of the fibrous base material. The battery thermal insulation pad has excellent thermal insulation performance and has certain elasticity so that it can absorb the pressure caused by the deformation of surrounding components.

ENERGY STORAGE CELL, ENERGY STORAGE CELL ASSEMBLY, MOTOR VEHICLE, TIE ROD, AND METHOD FOR PRODUCING AN ENERGY STORAGE CELL ASSEMBLY

Resumen de: WO2024175142A1

The invention relates to an energy storage cell (10) for a motor vehicle, the energy storage cell comprising a casing (20), which defines an interior region (22), and an end plate assembly (30), which delimits the interior region (22) and has a connection terminal (32), wherein the connection terminal (32) has, at a surface (34) situated opposite the interior region (22), a hole (36) which is open to the surroundings (U) of the energy storage cell (10), and wherein the connection terminal (32) has, at the hole (36), a first connecting portion (38) for detachably connecting the end plate assembly (30) to a tie rod (40) which is at least in part of complementary design with respect to the first connecting portion (38). The invention furthermore relates to an energy storage cell assembly, to a motor vehicle, to a tie rod, and to a method for producing an energy storage cell assembly.

METHOD AND SYSTEM FOR WATER SOLUBLE WEAK ACIDIC RESINS AS CARBON PRECURSORS FOR SILICON-DOMINANT ANODES

Resumen de: US2024290943A1

Systems and methods for water soluble weak acidic resins as carbon precursors for silicon-dominant anodes may include an electrode coating layer on a current collector, where the electrode coating layer is formed from silicon and pyrolyzed water-soluble acidic polyamide imide as a primary resin carbon precursor. The electrode coating layer may include a pyrolyzed water-based acidic polymer solution additive. The polymer solution additive may include one or more of: polyacrylic acid (PAA) solution, poly (maleic acid, methyl methacrylate/methacrylic acid, butadiene/maleic acid) solutions, and water soluble polyacrylic acid. The electrode coating layer may include conductive additives. The current collector may include a metal foil, where the metal current collector includes one or more of a copper, tungsten, stainless steel, and nickel foil in electrical contact with the electrode coating layer. The electrode coating layer may be more than 70% silicon.

Electrode, Electrode Assembly, And Secondary Battery Comprising Same

Resumen de: US2024290987A1

An electrode for a secondary battery and an electrode assembly including the same. The electrode includes a mixture layer and a gas adsorption layers disposed on at least one surface of an electrode current collector. Since the mixture layer has a pattern structure and the gas adsorption layer is disposed in a regions where the mixture layer is not disposed, there is an advantage in that a secondary battery including the above has excellent performance and stability due to an excellent effect of removing a gas generated during initial charging/discharging of the secondary battery.

SELF-STANDING ELECTRODES AND METHODS AND APPARATUS FOR MAKING THE SAME

Resumen de: US2024290938A1

Aspects of the present disclosure generally relate to battery technology, and more specifically relate to self-standing electrodes and to methods and apparatus for making the same. In an embodiment, a self-standing electrode is provided. The self-standing electrode includes nanotubes, electrode active material, and conductive material. In another embodiment, a method of forming a self-standing electrode is provided. The method includes aerosolizing or fluidizing electrode active material and conductive material. The method further includes depositing nanotubes, the aerosolized or fluidized electrode active material, and the aerosolized or fluidized conductive material on a porous substrate to form a self-standing electrode, the self-standing electrode comprising the nanotubes, the electrode active material, and the conductive material.

BATTERY

Resumen de: US2024291026A1

The present disclosure includes: a positive electrode; a negative electrode; and an electrolyte layer disposed between the positive electrode and the negative electrode. The positive electrode includes a positive electrode active material. The positive electrode active material includes an oxide consisting of Li, Ni, Mn, and O. The electrolyte layer includes Li, Ti, M1, and F. The M1 is at least one selected from the group consisting of Ca, Mg, Al, Y, and Zr.

FREE-STANDING, THREE-DIMENSIONAL (3D) ANODE HAVING CONTINUOUS, ION-CONDUCTING NETWORK

Resumen de: US2024290962A1

Current collectors are critical components of conventional electrochemical cell design, and serve to conduct electricity generated within the electrochemical cell to an external environment of the electrochemical cell, typically to a machine or device electrically coupled to the electrochemical cell, e.g. via a plurality of leads, tabs, contacts, terminals, etc. Accordingly, current collectors conventionally comprise one or more highly electrically conductive (and, optionally, thermally conductive) materials, most often metal(s) or alloy(s) of iron, nickel, copper, etc. As a result, current collectors often represent a substantial contribution to the total mass of the electrochemical cell, and undesirably reduce the power-to-weight ratio of the resulting battery. The presently disclosed inventive concepts include various configurations of free-standing electrodes that do not require a distinct current collector component to efficiently conduct electricity to external devices, and include unique compositions and structural arrangements that collectively convey substantial performance improvements on electrochemical cells implementing the same.

COMPOSITE CARBON MATERIALS COMPRISING LITHIUM ALLOYING ELECTROCHEMICAL MODIFIERS

Resumen de: US2024290952A1

The present application is generally directed to composites comprising a hard carbon material and an electrochemical modifier. The composite materials find utility in any number of electrical devices, for example, in lithium ion batteries. Methods for making the disclosed composite materials are also disclosed.

POSITIVE ELECTRODE MATERIAL PLATE AND PREPARATION METHOD THEREOF, SECONDARY BATTERY, BATTERY MODULE, BATTERY PACK, AND ELECTRIC APPARATUS

Resumen de: US2024290988A1

A positive electrode material plate includes: an electrode plate substrate and a coating layer arranged on a surface of the electrode plate substrate. The electrode plate substrate includes a compound of formula I: LiNixCoyM1-x-yO2 (formula I), where 0.6≤x<1, 0≤y≤0.2, and M is at least one of Mn, Al, Ti, Zr, Mg, W, and Mo; and the coating layer is a three-dimensional network lithium phosphate layer with a thickness of 12 nm to 13 nm, and a percentage of lithium phosphate is 20% to 30%.

SOLID ELECTROLYTE AND METHOD FOR PRODUCING SAME

Resumen de: US2024291021A1

A solid electrolyte and a method for preparing the same are provided. The solid electrolyte includes a conducting polymer having mixed conducting characteristics; and a lithium salt, and the mixed conducting characteristics include ionic conductivity and electrical conductivity.

Leiterplatte für ein Batteriemodul zur Bereitstellung von Zellmessgrößenwerten, Modulgehäuse, Batteriemodul, Kraftfahrzeug und Verfahren zum Herstellen einer Leiterplatte

Resumen de: DE102023104598A1

Die Erfindung betrifft eine Leiterplatte (16c, 20) für ein Batteriemodul (10) zur bereichsweisen Kontaktierung mit mindestens einer Batteriezelle (14) des Batteriemoduls (10) und zur Bereitstellung von Zellmessgrößenwerten der mindestens einen Batteriezelle (14) an einer Steuereinheit (18), wobei die Leiterplatte (16c, 20) einen Träger (22) mit zumindest einer elektrisch isolierenden ersten Trägerseite (24) und eine Leiterbahnanordnung (40) mit mindestens einer elektrisch leitfähigen Leiterbahn (30) aufweist, und wobei zumindest ein erster Leiterbahnabschnitt (30a) der Leiterbahn (30) auf der ersten Trägerseite (24) des Trägers (22) angeordnet ist. Dabei ist der Träger (22) durch eine Gehäusewand (16c) für ein Modulgehäuse (16) des Batteriemoduls (10) bereitgestellt und zumindest der erste Leiterbahnabschnitt (30a) ist als additiv gefertigter erster Leiterbahnabschnitt (30a) auf der ersten Trägerseite (24) aufgebracht.

Wärmepumpenanordnung und Verfahren zum Betreiben einer Wärmepumpenanordnung für batterieelektrische Fahrzeuge

Resumen de: DE102024103681A1

Die Erfindung betrifft eine Wärmepumpenanordnung für batterieelektrische Fahrzeuge, aufweisend einen Kältemittelkreislauf der einen Verdichter (1) mit vorgeschaltetem Akkumulator (11) und mindestens einen Verdampfer (6) aufweist, wobei in Kältemittelströmungsrichtung nach dem Verdichter (1) eine erste Heißgas-Bypassleitung (A) mit einem ersten Heißgas-Bypassventil (12) zum Eingang des Verdampfers (6) und eine zweite Heißgas-Bypassleitung (B) mit einem zweiten Heißgas-Bypassventil (13) zum Eingang des Akkumulators (11) angeordnet sind.Die Erfindung betrifft weiterhin Verfahren zum Betreiben einer Wärmepumpenanordnung im Reheat- und Heizbetrieb.

ELEKTROLYTLÖSUNG FÜR LITHIUM-SEKUNDÄRBATTERIE UND LITHIUM-SEKUNDÄRBATTERIE DIESE ENTHALTEND

Resumen de: DE102024103901A1

Gemäß den vorliegenden Offenlegungen werden eine Elektrolytlösung für eine Lithium-Sekundärbatterie und eine Lithium-Sekundärbatterie, die die Elektrolytlösung enthält, bereitgestellt. Die Elektrolytlösung für eine Lithium-Sekundärbatterie enthält ein Lithiumsalz, ein organisches Lösungsmittel, das eine Verbindung auf Basis eines linearen Carbonats, die durch die chemische Formel 1 dargestellt wird, und eine Verbindung auf Basis eines linearen Esters, die durch die chemische Formel 2 dargestellt wird, sowie eine Verbindung, die durch die chemische Formel 3 dargestellt wird, enthält.

BATTERIESTEUERVORRICHTUNG

Resumen de: DE102024103404A1

Es wird eine Batteriesteuervorrichtung bereitgestellt, die in der Lage ist, eine Beschleunigung der Verschlechterung der Batterie zu verhindern. Die Batteriesteuervorrichtung befindet sich in einem Fahrzeug mit einer Batterie und einer Heizung, wobei die Batterie eine Batterie ist, die von außen mit Strom versorgt wird, die Batterie einen Motor für die Fahrt des Fahrzeugs mit Strom versorgt und die Heizung die Batterie beheizt. Die Batteriesteuervorrichtung umfasst: einen Erfassungsabschnitt, der eine Temperatur der Batterie erfasst; und einen Steuerabschnitt, der in einem Fall, in dem die Temperatur der Batterie, in dem die Temperatur erfasst wurde, gleich oder niedriger als ein vorbestimmter Schwellenwert ist, eine solche Steuerung ausführt, dass die Batterie nicht mit externer Energie versorgt wird und jede Energie der externen Energie und die Energie der Batterie der Heizung zugeführt wird.

Batterie mit Gehäusedeckel

Resumen de: DE102023201824A1

Die vorliegende Erfindung betrifft eine Batterie (1), insbesondere eine Traktionsbatterie (2), welche ein Gehäuse (4) mit einem Gehäusetopf (6) und einem Gehäusedeckel (7) aufweist, durch welchen ein Strömungspfad (9) einer Flüssigkeit führt und in welchem Batteriezellen (3) der Batterie (1) aufgenommen sind.Eine erhöhte Effizienz bei zugleich reduziertem Gewicht und reduziertem Bauraumbedarf der Batterie (1) sind dadurch erreicht, dass der Gehäusedeckel (7) zumindest eine an der Innenseite (10) offene Vertiefung (13) zur Aufnahme zumindest einer Funktionskomponente (14) der Batterie (1) und/oder zum Bilden einer Funktion der Batterie (1) aufweist.

Verfahren und System zur Vorhersage des Alterungsverlaufs einer Batterie

Resumen de: DE102024105161A1

Die vorliegende Erfindung offenbart ein Verfahren und System zur Vorhersage des Alterungsverlaufs einer Batterie, umfassend: Testen der Batterie für eine vorbestimmte Zyklenzahl, um Zyklustestdaten zu erhalten; Vorhersagen eines Alterungsendpunktindikators der Batterie in Übereinstimmung mit den Zyklustestdaten; Durchführen einer Fehlervalidierung des Alterungsvorhersageergebnisses, und Auswählen einer Merkmalskombination in Übereinstimmung mit dem Validierungsergebnis, um Merkmalskombinationsdaten zu erhalten; Durchführen einer Vorhersage des Alterungsprozessverlaufs der Batterie unter Verwendung der Merkmalskombinationsdaten, um einen zukünftigen Alterungsverlauf, bei dem sich die Kapazität der Batterie mit dem Laufe der Erhöhung der Zyklenzahl ändert, zu erhalten.

Ladungsausgleich und Batterietemperierung

Nº publicación: DE102023000686A1 29/08/2024

Solicitante:

BERNREUTER PETER [DE]
Bernreuter, Peter