Alerta

BATTERY MAINTENANCE SYSTEM, BATTERY MAINTENANCE METHOD, AND REFILLING DEVICE

Resumen de: WO2025154812A1

Provided is a battery maintenance system comprising: a supply path for supplying a liquid to a battery; a first on-off valve provided on the supply path; and a second on-off valve provided downstream of the first on-off valve in a supply direction of the liquid on the supply path.

SEALING TAPE

Resumen de: WO2025154400A1

The purpose of the present invention is to provide a sealing tape that expands inside a housing of, for instance, a lithium ion cell and thereby protects an electrode body from vibration or impact. This sealing tape that acheives the foregoing comprises an adhesive agent layer and a substrate layer that contains fluorine resin and/or (meth)acrylic resin and is disposed on the adhesive agent layer. The sealing tape has multiple openings that open on the surface side of the substrate layer.

ELECTROCHEMICAL DEVICE, COMPOSITION, ELECTRODE MIXTURE, ELECTRODE, AND SECONDARY BATTERY

Resumen de: WO2025154806A1

The present invention provides: an electrochemical device having an excellent initial capacity and capacity retention rate; a composition capable of improving the initial capacity and capacity retention rate of an electrochemical device; an electrode mixture; an electrode; and a secondary battery. The electrochemical device includes an electrode active material and a lithium supplement in a positive electrode and/or a negative electrode, and includes a filament-forming resin in the positive electrode and/or the negative electrode.

COVER FILM-EQUIPPED GAS ADSORPTION SHEET FOR SECONDARY BATTERIES

Resumen de: WO2025154349A1

Provided is a gas adsorption sheet that can preferentially adsorb sulfide-based gases.　According to an embodiment of the present invention, a cover film-equipped gas adsorption sheet for secondary batteries comprises: a gas adsorption sheet for secondary batteries, which contains a heat-resistant base material and a gas adsorption layer disposed on at least one side of the heat-resistant base material; and a cover film disposed on the side of the gas adsorption layer opposite from the heat-resistant base material. This gas adsorption layer contains a binder resin and gas-adsorbing particles that are constituted of a pore-bearing inorganic porous material and that can adsorb gas.

METHOD, PROGRAM, DEVICE, AND SYSTEM FOR ESTIMATING PARAMETER OF TARGET SYSTEM

Resumen de: WO2025154207A1

A method according to the present disclosure is for estimating at least one parameter of a target system and is executed by at least one processor. A state space model of the target system is expressed by using an augmented system having a state variable including a partial differentiation, to an N-th-order (N is a natural number), obtained by using at least one parameter. The method includes: a step (S1061) for calculating a reference state vector with respect to a reference value of at least one parameter on the basis of a first measurement value of an input to the target system and a state equation of the augmented system; a step (S1071) for acquiring reduction time-series data in which the number of time-series data points is reduced from each of the first measurement value, a second measurement value of an output from the target system, and the reference state vector; and a step (S1091) for estimating at least one parameter on the basis of the state space model and the reduction time-series data.

ELECTRODE SHEET PROCESSING DEVICE, BATTERY PRODUCTION LINE, AND CONTROL METHOD FOR ELECTRODE SHEET PROCESSING DEVICE

Resumen de: WO2025152410A1

An electrode sheet processing device, a battery production line, and a control method for an electrode sheet processing device, relating to the technical field of battery production. The electrode sheet processing device can improve the production efficiency, and can also increase the electrode sheet processing pass rate. The electrode sheet processing device comprises: an unwinding mechanism, a tab forming mechanism, a recycling mechanism, and a slitting mechanism; the unwinding mechanism is configured to bear a wound electrode sheet to be processed; the tab forming mechanism is arranged on an extension path of the electrode sheet to be processed and configured to cut the electrode sheet to be processed; the recycling mechanism is arranged on an extension path of a cut electrode sheet and located on the side of the tab forming mechanism distant from the unwinding mechanism; the recycling mechanism is configured to clean waste formed after the electrode sheet to be processed is cut; along the extension path of the cut electrode sheet, the slitting mechanism is arranged on the side of the recycling mechanism distant from the tab forming mechanism, and the slitting mechanism is configured to slit the cut electrode sheet.

IMMERSION COOLING LIQUID FOR BATTERY, AND PREPARATION METHOD THEREFOR AND USE THEREOF

Resumen de: WO2025152479A1

The present invention provides an immersion cooling liquid for a battery, and a preparation method therefor and a use thereof. The immersion cooling liquid for a battery comprises the following components in parts by weight: 40-70 parts of insulating cooling oil, 30-60 parts of a flame retardant, and 0.2-2 parts of a stabilizer, wherein the insulating cooling oil is selected from one or more of mineral oil, macromolecular hydrocarbon oil, silicone oil, a synthetic ester, and vegetable oil, and the flame retardant is a halogenated hydrocarbon having 2 to 4 carbon atoms. In the present invention, by combining the halogenated hydrocarbon having 2 to 4 carbon atoms with the insulating cooling oil, the obtained immersion cooling liquid for a battery has the advantages of good flame retardancy, high insulating properties, good low-temperature fluidity, excellent heat transfer performance, etc., and can effectively inhibit the occurrence of battery thermal runaway and reduce the harm caused by battery thermal runaway. In addition, the present invention involves a simple preparation process and low costs, is convenient for large-scale production, and has good application prospects.

BUFFER HEAT-INSULATING PAD, BATTERY MODULE, BATTERY PACK, ENERGY STORAGE SYSTEM, AND ELECTRIC DEVICE

Resumen de: WO2025152390A1

A buffer heat-insulating pad (100), a battery module (200), a battery pack (300), an energy storage system, and an electric device (400). A pad body (10) comprises a first body portion (11) and a second body portion (12); the first body portion (11) is arranged around the second body portion (12); at least one second body portion (12) is provided; the first body portion (11) and the second body portion (12) are made of the same material; and the compressive deformation capacity of the first body portion (11) is better than that of the second body portion (12).

NEGATIVE ELECTRODE MATERIAL FOR SECONDARY BATTERY AND PREPARATION METHOD THEREFOR

Resumen de: US2025239593A1

Disclosed are a negative electrode material for a secondary battery, capable of improving initial discharge capacity, initial efficiency, and lifespan characteristics of the secondary battery, and a preparation method therefor. In the negative electrode material for a secondary battery comprising an active material, a conductor, and a binder according to the present invention, the active material comprises a silicon oxide composite having a surface coated with carbon, and the silicon oxide composite comprises silicon oxide (SiOx, 0.5

HEAT EXCHANGE ASSEMBLY

Resumen de: US2025239686A1

There is provided a heat exchange assembly for a battery system, the battery system comprising a plurality of battery cells and at least one electronic component, the heat exchange assembly comprising: a heat exchange plate comprising a first plate and a second plate arranged to face the first plate, the heat exchange plate being arranged to accommodate the plurality of battery cells on at least one of the first plate and the second plate in a first portion of the heat exchange plate and to accommodate the at least one electronic component on at least one of the first plate and the second plate in a second portion of the heat exchange plate, the heat exchange plate comprising further at least one first flow channel for accommodating a heat exchange fluid and formed between the first plate and the second plate in the first portion of the heat exchange plate.

BATTERY MODULE AND BATTERY PACK INCLUDING THE SAME

Resumen de: US2025239682A1

The present invention provides a battery module, which includes a plurality of battery cells with stacked each other which include a cell body configured to house an electrode assembly and electrode tabs drawn out from the cell body, respectively; and a housing unit configured to enclose at least a portion of an outer surface of the plurality of stacked battery cells to house the plurality of stacked battery cells, wherein the housing unit includes a heat sink unit having a refrigerant flow passage formed therein.

FREE-STANDING SULFIDE SOLID ELECTROLYTE SEPARATORS

Resumen de: US2025239649A1

A method of manufacturing a free-standing, sheet-type solid-state electrolyte is provided. The method includes: mixing a sulfide ion conductor-containing material and a non-polar or low-polar binder in a solvent to obtain a slurry composition; disposing the slurry composition onto a planar substrate; spreading the slurry composition on the substrate to obtain a film; calendering the film to densify the film; and subsequently drying the film under vacuum. The binder may be polyisobutylene and may be present in the slurry composition in an amount of up to 10 wt. %, optionally between 1 and 5 wt. %. The sulfide ion conductor-containing material may be a lithium argyrodite having the chemical formula Li6PS5X in which X is Cl, Br, or I. The solvent may be toluene or xylene. The film may have a thickness of between 10 and 200 μm.

SOLUTION FOR CONTROLLING A SUPPLY OF ELECTRICAL ENERGY TO AN ELEVATOR SYSTEM FROM A BATTERY SYSTEM

Resumen de: US2025239664A1

A battery system for supplying electrical energy to an elevator system is provided, the battery system including: a battery module having a number of battery cells, a battery management unit configured to obtain measurement data from at least one sensor associated to the battery system, a communication interface for communicatively connecting the battery system to the elevator system, and a power supply interface for transferring the electrical energy between the elevator system and the battery system. Also an elevator drive system, an elevator system, a computer implemented method and a computer program are provided.

MANUFACTURING PROCESS FOR HIGH-CAPACITY BATTERY

Resumen de: AU2023415183A1

Disclosed is a manufacturing process for a high-capacity battery, comprising the following steps: S1, carrying out capacity grading and sorting on a plurality of battery cells; S2, pack formation: enabling the plurality of battery cells selected in S1 and satisfying the requirements to form at least one battery pack; S3, battery packaging: first connecting battery cells in each battery pack in parallel, then enabling all battery cells in each battery pack to be in an electrolyte system, and thus completing the manufacturing of the high-capacity battery; or, first enabling all the battery cells in each battery pack to be in an electrolyte system, then connecting all the battery cells in each battery pack in parallel, and thus completing the manufacturing of the high-capacity battery. The manufacturing process for the high-capacity battery reduces the original difference of battery cells, improves the yield of the high-capacity battery, ensures that electrolyte cavities of the battery cells are communicated, and eliminates the difference in battery performance caused by electrolyte consumption difference of the battery cells in a battery operation process.

Energiespeichermodul und Verfahren zu dessen Herstellung

Resumen de: DE102024134088A1

In einem Energiespeichermodul (1) bedeckt eine Dichtungsfolie (50) Endabschnitte (11) von Stromkollektorfolien (110) einer Vielzahl von Elektrodenplatten (10) in einer ersten Richtung (D1). Die Dichtungsfolie (50) umfasst: eine Vielzahl von Seitenwandabschnitten (51); eine Vielzahl von gefalteten Abschnitten (52); und einen zurückgefalteten Abschnitt (53). Die Vielzahl von Seitenwandabschnitten (51) ist jeweils an Außenseiten der Stromkollektorfolien (110) der Vielzahl von Elektrodenplatten (10) in der ersten Richtung (D1) angeordnet. Die Vielzahl von gefalteten Abschnitten (52) ist jeweils von der Vielzahl von Seitenwandabschnitten (51) zu Räumen zwischen der Vielzahl von Elektrodenplatten (10) hin gefaltet. Der zurückgefaltete Abschnitt (53) verbindet jeweils zwei entsprechende der Vielzahl von gefalteten Abschnitten (52), die zwischen zwei entsprechenden der Vielzahl von Elektrodenplatten (10) benachbart sind. Jeder der Vielzahl von gefalteten Abschnitten (52) ist zumindest teilweise mit der Stromkollektorfolie (110) einer entsprechenden der Vielzahl von Elektrodenplatten (10) verschweißt.

TEMPERATURSTEUERUNG FÜR KOMPONENTEN EINES ELEKTROFAHRZEUGS BEIM PARKEN

Resumen de: DE102025101547A1

Ein elektrifiziertes Fahrzeug beinhaltet eine elektrische Stromversorgung, wie eine Batterie oder einen Gleichstromrichter, die/der möglicherweise während eines Zeitraums, in dem das Fahrzeug geparkt ist, gekühlt werden muss. An die elektrische Stromversorgung ist eine Wärmeübertragungseinheit gekoppelt. Ein Abdeckungssensor ist zum Erfassen einer auf dem Elektrofahrzeug beim Parken angeordneten Abdeckung konfiguriert, welche die Wärmeübertragungseinheit behindert, und eine Steuerung. Die Steuerung ist, wenn die Abdeckung erfasst ist, konfiguriert zum (A) Bestimmen einer Temperatur der Stromversorgung der elektrischen Stromversorgung, (B) Vergleichen der bestimmten Temperatur der Stromversorgung mit einem vorbestimmten Temperaturschwellenwert zum Erfassen einer ungünstigen Bedingung und (C) Übertragen eines Hinweissignals, dass die Abdeckung entfernt werden sollte, an einen Benutzer, wenn die ungünstige Bedingung erfasst ist.

Batteriemodul und Verfahren zum Betreiben eines Batteriemoduls

Resumen de: DE102024200518A1

Es wird ein Batteriesystem (10) umfassend mehrere Batteriemodule (11) und eine mit den Batteriemodulen (11) wärmeleitend verbundene Kühlplatte (20) vorgeschlagen, bei dem die Kühlplatte (20) mindestens zwei Bereiche (22) aufweist, die in einer ersten Richtung (70) durch mindestens eine Aussparung (30) voneinander getrennt sind.

Verfahren zum Injizieren einer viskosen Wärmeleitmasse zwischen ein Batteriemodul und ein Gehäusebauteil, sowie Injektionsanordnung

Resumen de: DE102024101589A1

Die Erfindung betrifft ein Verfahren zum Injizieren einer viskosen Wärmeleitmasse (26) durch eine Injektionsöffnung (28) in einen Zwischenraum (24) zwischen einem Batteriemodul (14) und einem Gehäusebauteil (20) mittels einer Injektionsanordnung (10), die einen Injektionskopf (30) umfasst, wobei der Injektionskopf (30) an der Injektionsöffnung (28) angeordnet wird und die Wärmeleitmasse (26) mittels des Injektionskopfes (30) durch die Injektionsöffnung (28) in den Zwischenraum (24) injiziert wird und nach der Injektion der Injektionskopf (30) von der Injektionsöffnung (28) entfernt wird. Dabei umfasst die Injektionsanordnung (10) eine Klebepad-Applikationseinrichtung (36), die nach dem Entfernen des Injektionskopfes (30) von der Injektionsöffnung (28) ein Klebepad (40) die Injektionsöffnung (28) verschließend und überdeckend durch Ankleben des Klebepads (40) anordnet.

Fahrzeug und Verfahren zur Temperierung eines Fahrzeugs

Resumen de: DE102024101743A1

Es wird ein Kraftfahrzeug beschrieben, das einen Innenraum mit einem Innenraum-Boden, und eine unterhalb des Innenraum-Bodens angeordnete Batterie zur Speicherung von elektrischer Energie für den Betrieb einer elektrischen Antriebsmaschine des Kraftfahrzeugs umfasst. Das Kraftfahrzeug umfasst ferner eine zwischen dem Innenraum-Boden und der Oberseite der Batterie angeordnete Temperierungseinheit, die ausgebildet ist, die Batterie und den Innenraum zu temperieren.

SYSTEMS AND METHODS FOR PREPARING SEMI-SOLID ELECTRODES

Resumen de: WO2025155901A1

Embodiments described herein relate generally to systems and methods for continuously and/or semi-continuously manufacturing semi-solid electrodes and batteries including semi-solid electrodes. The methods include disposing a portion of a current collector material into a gap between a first arc-shaped member and a second arc-shaped member, disposed along an outside edge of a drum, and moving the first arc-shaped member with respect to the second arc-shaped member to at least partially close the gap, causing the current collector material to frictionally engage with a portion of both arc-shaped members. The method further includes dispensing a semi-solid electrode material onto a surface of the first arc-shaped member and the second arc-shaped member. Subsequently, the second arc-shaped member is moved with respect to the first one, re-establishing the gap and resulting in the formation of two discrete portions of electrode material on the surface of the current collector material.

GRID-CONNECTED ELECTRIC VEHICLE CHARGING STATION SYSTEM AND METHOD

Resumen de: WO2025155782A1

A grid-connected electric vehicle charging station system and method. Installing electric vehicle charging stations are typically high in cost, particularly due to requiring the utility grid to be upgraded to increase the electrical power routed to a respective customer site. In contrast, the system and method disclosed are low-footprint behind-the-meter solution that does not require any upgrade to the utility grid and that use the existing power capacity at a customer site. More particularly, the system and method rely on renewable energy sources, such as photovoltaics and batteries, as the primary source of energy to power the electric vehicles and rely on the utility grid connection for backup (limited to the existing electrical power routed to the respective customer site). In this way, the grid-connected electric vehicle charging station system and method may enable powering of electric vehicles while still allowing for easy installations at a customer site

BINDER MATERIAL AND METHODS THEREOF

Resumen de: WO2025155961A1

Disclosed herein is a binder material including (1) a copolymer of styrene and (meth)acrylate and (2) one or more surfactants. In some aspects, a supernatant is obtained from a sample of an emulsion of the binder material, and a supernatant extract is obtained by filtering and drying the supernatant. Estimated masses of CH2CH2O- (PEG) units and C6H5- (aromatic) units in the supernatant extract are quantified by proton nuclear magnetic resonance (1H NMR) measurements. In some embodiments, a mass ratio of the CH2CH2O- (PEG) units to the C6H5- (aromatic) units is about 6.0 or less and about 0.1 or greater. Also disclosed are battery electrodes and lithium-ion batteries that employ such binder materials. Related methods of making binder materials, battery electrodes, and lithium-ion batteries are also disclosed.

ACTIVE INTER-CELL BALANCING METHOD

Resumen de: WO2025155411A1

An energy cell system includes multiple energy cell strings, multiple switching modules, and a control circuit. Each of the energy cell strings includes multiple energy cells connected in series and the multiple switching modules are connected between the multiple energy cells of different energy cell strings. The control circuit is configured to detect a charge level of a first subset of one or more energy cells of a first energy cell string, activate a switching module to connect a second subset of one or more energy cells of another energy cell string to the first subset of energy cells to change the charge level of the first subset of energy cells, and deactivate the switching module in response to the change in the charge level of the first subset of energy cells.

BATTERY TOWER DESIGN FOR HEAVY-DUTY ELECTRIC POWERTRAINS

Resumen de: WO2025155409A1

This disclosure describes a battery tower design (106) using pouch cell or blade cell batteries (110) to build modular towers and assemble battery units to fit within electrified heavy-duty equipment (100). The battery units are modular to enable expansion of the battery units horizontally and/or vertically to fit within irregular-shaped compartments originally intended for non-electric powertrain components. The battery towers are modular units with frames (108) for holding battery cells (110) with their width in a vertical direction and stacking the cells (110) vertically along a length of a frame (108) that includes passive and active cooling components (308, 310).

PRUSSIAN BLUE ANALOGUE ELECTROLYTE

Nº publicación: WO2025153731A1 24/07/2025

Solicitante:

NORTHVOLT AB [SE]
ALTRIS AB [SE]
NORTHVOLT AB,
ALTRIS AB

Resumen de: WO2025153731A1

The present invention relates to a sodium ion cell comprising: - a positive electrode comprising a sodium Prussian blue analogue according to formula AaMbM'c(CN)6d, wherein A is sodium, 1 < a ≤ 2, M and M' are individually one or more transition metals, 0 < b < 2, 1 ≤ c < 2, and 1 ≤ d < 2; - a negative electrode comprising a carbon-based sodium inserting material; - a separator, and - an electrolyte comprising a sodium salt, an organic carbonate-based solvent comprising at most 50 wt.% of cyclic organic carbonate, a first additive, and a second additive comprising an organic sulfate, wherein said first additive is a cyclic carbonate according to formula (I) or formula (II) and different from said cyclic organic carbonate in said organic carbonate-based solvent.