Almacenamiento en baterías

METHOD FOR MANUFACTURING CATHODE ACTIVE MATERIAL, CATHODE ACTIVE MATERIAL, CATHODE COMPRISING SAME, AND LITHIUM SECONDARY BATTERY

Resumen de: WO2025244281A1

The present invention relates to a method for manufacturing a cathode active material, the method comprising: a step of mixing a lithium compound, a transition metal oxide, and a metal oxide to prepare a mixture; and a calcination step of calcining the mixture to prepare a lithium transition metal oxide, wherein the transition metal oxide contains 40-70 mol% of Ni with respect to the total transition metals, the calcination step is performed through a two-stage temperature maintenance section, a temperature of a first temperature maintenance section is 700-800 °C, and a temperature of a second temperature maintenance section is 800-900 °C.

LITHIUM SALT FOR ALL-SOLID-STATE BATTERY, SOLID ELECTROLYTE MEMBRANE COMPRISING SAME, AND ALL-SOLID-STATE BATTERY COMPRISING SAME

Resumen de: WO2025244179A1

The present invention relates to a lithium salt for an all-solid-state battery, a solid electrolyte membrane comprising same, and an all-solid-state battery comprising same, and, more specifically, the lithium salt has an asymmetric structure of structural formula 1.

SULFIDE-BASED SOLID ELECTROLYTE

Resumen de: WO2025244477A1

The present invention relates to a sulfide-based solid electrolyte including elemental lithium (Li), elemental phosphorus (P), elemental sulfur (S), and an elemental halogen (Ha), and having an argyrodite-based crystal structure, wherein at least a portion of the crystal structure is doped with a first compound including a Group 13 element (M) and a second compound including elemental oxygen (O).

SOLID ELECTROLYTE AND ALL-SOLID-STATE BATTERY COMPRISING SAME

Resumen de: WO2025244185A1

The present invention relates to a sulfide-based solid electrolyte and an all-solid-state battery comprising same. More specifically, the sulfide-based solid electrolyte comprises core particles and shell particles disposed on the surfaces of the core particles. The core particles include a compound represented by chemical formula 1 and having an argyrodite crystal structure. The shell particles include a compound represented by chemical formula 2 and having an argyrodite crystal structure.

POSITIVE ELECTRODE FOR LITHIUM-SULFUR SECONDARY BATTERY HAVING IMPROVED LIFESPAN PERFORMANCE, METHOD FOR MANUFACTURING SAME, AND LITHIUM-SULFUR SECONDARY BATTERY COMPRISING SAME

Resumen de: WO2025244333A1

The present invention relates to: a positive electrode for a lithium-sulfur secondary battery, the positive electrode having improved lifespan performance; a method for manufacturing same; and a lithium-sulfur secondary battery comprising same. Specifically, the present invention relates to: a positive electrode for a lithium-sulfur secondary battery, the positive electrode having an improved cycle life and calendar life due to suppressing the shuttling of polysulfide compounds; a method for manufacturing same; and a lithium-sulfur secondary battery comprising same.

RESISTOR CASE AND BATTERY CONTROL UNIT INCLUDING SAME

Resumen de: WO2025244310A1

A resistor case and a battery control unit including same are disclosed. According to an aspect of the present invention, the resistance case may comprise: a resistance member electrically connected to the outside; a resistor housing for accommodating the resistor member; and a resistor cover member covering the resistor member and coupled to the resistor housing, wherein the resistor member includes a resistor body having a length in one direction and a width in the other direction, the resistor housing includes: a housing space formed therein and accommodating the resistor member; a housing bottom surface surrounding the housing space from the lower side thereof; and a stepped portion continuous with the housing bottom surface and formed higher than the housing bottom surface along the longitudinal direction of the resistor member, and the lower side of the resistor body is supported by one of the housing bottom surface and the stepped portion.

BATTERY ABNORMALITY DIAGNOSIS APPARATUS AND METHOD

Resumen de: WO2025244326A1

A battery abnormality diagnosis apparatus for diagnosing whether at least one battery included in a battery assembly is abnormal, according to an embodiment of the present invention, can monitor at least one of a temperature or a temperature change amount of the battery, and determine whether the battery is abnormal on the basis thereof.

ELASTIC SHEET FOR ALL-SOLID-STATE SECONDARY BATTERY AND ALL-SOLID-STATE SECONDARY BATTERY MODULE

Resumen de: WO2025244306A1

Provided is an elastic sheet that has sufficient flame retardancy and is capable of repeatedly absorbing volume changes caused by expansion and contraction of an all-solid-state secondary battery. The elastic sheet for an all-solid-state secondary battery buffers volume changes caused by expansion and contraction of the all-solid-state secondary battery and is composed of a closed-cell foam formed of a fluorine-based elastomer, wherein the porosity of the foam is 40% or more and 70% or less.

CO-GENERATION SYSTEM FOR HEATING APPLICATION

Resumen de: WO2025244801A1

A co-generation system (100) for heating an application (102) includes an energy storage system (104) that dissipates heat upon operation thereof. The co-generation system (100) also includes a first heat exchanger (106) in thermal contact with the energy storage system (104). A coolant flowing through the first heat exchanger (106) extracts the heat generated by the energy storage system (104). The co-generation system (100) further includes a second heat exchanger (108) in thermal contact with the application (102). The second heat exchanger (108) receives the coolant from the first heat exchanger (106). The coolant flowing through the second heat exchanger (108) exchanges heat with air (A1) in the application (102) to at least partially heat the application (102). The co-generation system (100) includes a first controller (114) communicably coupled with the energy storage system (104). The first controller (114) is configured to receive a heating requirement of the application (102) and control one or more operating conditions of the energy storage system (104) in order to meet the heating requirement of the application (102).

FLUID-FILLED DAMPER SYSTEM WITH RESTRICTED FLOW

Resumen de: WO2025245539A1

A fluid-filled damper system (10) for apparel and protective padding (20) manages impact forces through controlled fluid movement between chambers. The system includes a flexible bladder (100) defining first (102) and second (104) fluid chambers connected by a flow restrictor (106) that limits fluid transfer rate between chambers. When force is applied to the first chamber (102), fluid displaces into the second chamber (104) at a rate regulated by the flow restrictor (106), creating progressive damping that varies with compression rate.

ROTATABLE QUICK DISCONNECT COUPLING SYSTEM

Resumen de: WO2025245535A1

A rotatable quick disconnect coupling system for apparel and footwear applications provides secure attachment and detachment between components while enabling rotational movement. The system includes a keyed post with a non-radially symmetric cross-sectional profile that inserts into a receiver with a complementary internal profile, preventing unintended rotation of the post within the receiver. A spring-biased latching protrusion extends from the keyed post to engage a retention edge of the receiver when fully inserted. A user-activated release mechanism allows easy detachment by retracting the latching protrusion, via configurations such as an upstanding tab or a push-button. A bearing shaft extending from the keyed post rotatably couples with an annular portion of a connected component, enabling rotational movement while maintaining secure attachment.

FLEXIBLE BATTERY SYSTEM FOR CURVED SURFACE APPLICATIONS

Resumen de: WO2025245538A1

A flexible battery system for wearable and robotic applications comprises rigid or semi-rigid battery cells interconnected by flexible interconnection sections that enable conformability to curved contours while maintaining electrical connectivity. Each flexible interconnection section includes a flexible substrate with embedded conductive elements such as conductive traces, wires, or accordion-folded materials. The system includes a protective encapsulation layer and the battery cells may be arranged in linear, circular, or matrix configurations, including auxetic patterns for enhanced three-dimensional conformability.

MAGNETIC QUICK-RELEASE CLOSURE SYSTEM

Resumen de: WO2025245536A1

A magnetic quick-release closure system for apparel and footwear applications combines magnetic attraction with mechanical retention to provide secure closure with intuitive, single-handed release capability. The system includes a closure panel with first and second edges, and a receiving surface with complementary features. The first edge nests within an upstanding convex ledge on the receiving surface, creating a pivot point. Multiple magnet pairs draw the panel toward the receiving surface and assist alignment. A spring-biased retention latch engages the second edge of the closure panel when closed, providing mechanical security during athletic activities. A pull tab enables a translational pulling motion of the closure panel, aligning a notched portion on its second edge with the latch for quick release. The system may also incorporate magnetic repulsion assistance for opening and an over-center locking feature for enhanced security under tension.

MOTORIZED AMBULATORY ASSIST DEVICE

Resumen de: WO2025245534A1

A motorized ambulatory assist device is configured to augment natural walking or running motion by applying torque to an article of footwear at specific points in a gait cycle. The device includes a shin-mounted control pack secured to a lower leg of a wearer, a drive unit rigidly coupled to the control pack, a lower control arm rotatably coupled to both the drive unit and the article of footwear, and a motor assembly that tensions a drive belt extending between the motor and the lower control arm. The device may include a quick disconnect coupling that enables selective attachment and detachment from the footwear, a fluid-filled bladder between the control board assembly and shin guard to dampen reactionary forces, and flexible battery packs integrated with elastic bands that secure the device to the wearer's leg.

VENTILATION SYSTEM FOR ENERGY STORAGE SYSTEMS

Resumen de: WO2025244837A1

A ventilation system (116), for an energy storage system (100) having an enclosure (108) and one or more battery packs (112) accommodated in an interior volume (120) of the enclosure (108), includes a ventilation assembly (164) and a controller (168). The ventilation assembly (164) is fluidly couplable with the interior volume (120). The controller (168) is configured to receive an input indicative of a concentration of a flammable gas in the interior volume (120). Further, the controller (168) is configured to control the ventilation assembly (164) to operate the ventilation assembly (164): in a first mode, in response to the input indicating the concentration exceeding a first threshold, to facilitate venting of the flammable gas out of the interior volume (120); and in a second mode, in response to the input indicating the concentration exceeding a second threshold higher than the first threshold, to facilitate venting of the flammable gas and deflagration out of the interior volume (120).

ADVANCED POLYMER COATINGS FOR BUSBAR APPLICATIONS

Resumen de: WO2025245422A1

A multilayer Busbar coating system, in which individual layers are tailored to address functional requirements of electrical insulation, thermal conductivity, EMI shielding and corrosion resistance. A conductive metal core, including any of a Copper or Aluminum, is provided, over which is applied at least one polymer based layer incorporating a Graphene, functionalized Graphene, carbon nanotube, nano-material, MXene material or electrically conductive filler. In a preferred embodiment, a first thermally conducting polymer insulation layer coating is applied over the conductive metal core, with a second EMI resistant layer applied over the first insulation layer. At least one of the polymer layers further includes any of a flame retardant or intumescent coating.

HEAT CONTROL MEMBERS

Resumen de: WO2025245018A1

An example of a heat control member includes a thermal insulation layer and a barrier material in contact with at least a portion of the thermal insulation layer. The thermal insulation layer includes a reinforcement material and an aerogel framework incorporated with the reinforcement material. The barrier material is selected from the group consisting of i) aluminum, silicon, and oxygen; ii) nitrogen and one of silicon or boron; iii) zirconia; and iv) a carbide.

NOVEL MATERIAL FOR BATTERY APPLICATIONS

Resumen de: WO2025243031A1

A novel material is described, the structure of which is such that it may be termed a conjugated microporous polymer. The material may be prepared by an industrially attractive, one-pot synthesis. The material exhibits advantageous electrochemical properties, making it particularly well-suited for use in battery applications.

Elektrolytzusammensetzung zum Verhindern eines thermischen Durchgehens von Batteriezellen

Resumen de: DE102024120167A1

Es werden Systeme, Verfahren und Zusammensetzungen für einen Elektrolyten offenbart, der ein thermisches Durchgehen verhindert. Zum Beispiel kann eine elektrochemische Zelle eine Anode, eine Kathode und den Elektrolyten enthalten. Die Anode besteht aus einem lithiierten Siliziumoxidmaterial, die Kathode aus einem nickelhaltigen Material, und der Elektrolyt wird aus einer Elektrolytmischung gebildet. Die Elektrolytmischung umfasst ein Primärsalz, ein Sekundärsalz und ein Lösungsmittel. Das Primärsalz ist so konfiguriert, dass es die Ionenbewegung zwischen der Anode und der Kathode ermöglicht. Das Sekundärsalz ist ein Hoch-HOMO-Salz. Das Sekundärsalz ist auch so konfiguriert, dass es eine Feststoff-Elektrolyt-Interphase auf der Anode und eine Kathoden-Elektrolyt-Interphase auf der Kathode bildet. Das Lösungsmittel umfasst eine zyklische Lösungsmittelkomponente, eine lineare Lösungsmittelkomponente und eine fluorierte Lösungsmittelkomponente.

Akkupack

Resumen de: DE102024204675A1

Die Erfindung betrifft einen Akkupack, insbesondere einen Wechselakkupack, mit einem Gehäuse, in welchem zumindest eine Akkuzelle angeordnet ist, mit einem ersten Zellenhalter zur Aufnahme zumindest einer ersten Akkuzelle, mit einem zweiten Zellenhalter zur Aufnahme zumindest einer zweiten Akkuzelle. Es wird vorgeschlagen, dass der erste Zellenhalter und der zweite Zellenhalter über zumindest ein Fixierelement kraftschlüssig und/oder formschlüssig miteinander verbunden sind.

METHOD FOR SETTING UP A VEHICLE BATTERY, AND BATTERY MANAGEMENT SYSTEM FOR A VEHICLE BATTERY OF A MOTOR VEHICLE

Resumen de: WO2025242269A1

The invention relates to a method for setting up a vehicle battery having a plurality of battery cells, having a cell contacting system by means of which the battery cells are connected to one another to form a battery cell complex which comprises a plurality of battery cell assemblies connected to one another in series and/or in parallel, and having a battery management system which is set up to control an energy feed into the battery cells and an energy withdrawal from the battery cells by means of at least one control instruction. According to the method, at least one battery cell measurement value is determined for each battery cell before the battery cell complex is assembled, and the battery cell measurement values are stored in the battery management system (V1), at least one battery cell assembly measurement value is determined for each battery cell assembly and stored in the battery management system (V2), at least one battery cell complex measurement value is determined and stored in the battery management system (V3), and at least one control instruction of the battery management system is adapted depending on the determined battery cell measurement values, the determined battery cell assembly measurement values and the at least one determined battery cell complex measurement value (V4).

EXTENDED CELL BALANCING USING TELEMATICS

Resumen de: WO2025244802A1

In some implementations, a battery management unit (BMU) (108) may command a balancing controller (230) to perform a first cell balancing operation on one or more battery cells (106) in a battery pack (100). The BMU (108) may output, to a telematics controller (210), a wake-up time interval. The BMU (108) may receive a wake-up command at an end of the wake-up time interval to wake the BMU (108) from a sleep state. The BMU (108) may command the balancing controller (230) to perform a second cell balancing operation as a result of receiving the wake-up command.

Antriebssystem für ein Fahrzeug und Fahrzeug

Resumen de: DE102025138968A1

Die Erfindung betrifft ein Antriebssystem für ein Fahrzeug (1) mit einer Energiespeicheranordnung (2), welche einen ersten elektrischen Energiespeicher (3) und einen zweiten elektrischen Energiespeicher (4) umfasst, wobei der erste elektrische Energiespeicher (3) und der zweite elektrische Energiespeicher (4) jeweils eine vorgegebene Anzahl elektrisch verschalteter Einzelzellen (7, 8) aufweist und sich die elektrischen Energiespeicher (3, 4) in Aufbau und/oder Eigenschaften unterscheiden. Erfindungsgemäß ist vorgesehen, dass der erste elektrische Energiespeicher (3) und der zweite elektrische Energiespeicher (4) zur jeweiligen Steuerung mit ein und demselben Batteriemanagementsystem (5) datentechnisch verbunden sind, der erste elektrische Energiespeicher (3) zum Antrieb einer Radachse (6, 9) und der zweite Energiespeicher (4) zum Antrieb einer weiteren Radachse (9, 6) des Fahrzeuges (1) ausgebildet ist, der zweite elektrische Energiespeicher (4) eine elektrische Kapazität von mehr als der Hälfte einer Gesamtkapazität der Energiespeicheranordnung (2) aufweist und das Batteriemanagementsystem (5) ausgebildet ist, den ersten elektrischen Energiespeicher (3) dem zweiten elektrischen Energiespeicher (4) in Abhängigkeit von einem Fahrverhalten zuzuschalten. Weiterhin betrifft die Erfindung ein Fahrzeug (1).

Zellzwischenlage und Verfahren zur Herstellung einer Zellzwischenlage

Resumen de: DE102024114255A1

Zellzwischenlage (1) für ein Energiespeichersystem (2), wobei die Zellzwischenlage (1) plattenförmig ausgestaltet ist und eine erste und eine zweite Hauptseite (3, 4) aufweist, dadurch gekennzeichnet, dass die Zellzwischenlage (1) wenigstens eine thermisch isolierende und kompressionsfähige Einrichtung (5) umfasst, welche derart gerichtet ist, dass die Einrichtung (5) eine Vorzugsrichtung von einer Hauptseite (3) zu der anderen Hauptseite (4) aufweist sowie Verfahren zur Herstellung der Zellzwischenlage (1) und Energiespeichersystem (2).

VERFAHREN ZUR HERSTELLUNG EINES FESTELEKTROLYTEN AUF OXIDBASIS FÜR LITHIUMBATTERIEN

Nº publicación: DE102024114412A1 27/11/2025

Solicitante:

SHENZHEN TXD TECH CO LTD [CN]
Shenzhen TXD Technology Co., Ltd