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TRACTION BATTERY ASSEMBLY COMPRISING A PROTECTIVE PANEL

Resumen de: WO2025247676A1

Traction battery assembly (1) comprising a traction battery (2) and a protective panel (3). The protective panel (3) serves for controlled dissolving of a thermal event occurring in at least one battery cell (5). The protective panel (3) comprises a proximal wall (6) facing in a mounted position in the direction of the traction battery (2) and a distal wall (7) facing in a mounted position away from the traction battery (2). A receiving space (8) is arranged between the proximal wall (6) and the distal wall (7). In case of a thermal event in the at least one battery cell (5) the receiving space (8) is configured to receive and at least partially absorb a stream of gas and particles (9) guided from a battery cell (5) into the receiving space (8).

BATTERY STORAGE-UNIT HOUSING FOR THE VARIABLE THERMAL INSULATION OF A BATTERY STORAGE UNIT AND METHOD THEREFOR

Resumen de: WO2025245550A1

The present invention relates, inter alia, to a battery storage-unit housing (10) for the variable thermal insulation of a battery storage unit (20), comprising an inner housing (11), a thermal insulation layer (12) and an outer housing (13). According to the invention, formed in the insulation layer (12) there is at least one free space (14), parts of which are in contact with a surface of the inner housing (11) and parts of which are in contact with an opposite surface of the outer housing (13). The at least one free space (14) is connected in a media-conducting manner via an inlet (E) and an outlet (A), in order for a heat exchange medium (M) to be transferred through the at least one free space (14). The invention also proposes systems and a method for implementing hydraulically switchable insulation states.

POSITIVE ELECTRODE ACTIVE MATERIAL, PREPARATION METHOD THEREFOR, AND BATTERY

Resumen de: WO2025245954A1

A positive electrode active material, a preparation method therefor, and a battery. The positive electrode active material comprises: an inner core, the inner core comprising a lithium metal phosphate; a first coating layer, the first coating layer covering at least part of the surface of the inner core; and a second coating layer, the second coating layer covering at least part of the surface of the first coating layer. The positive electrode active material has an XRD diffraction peak intensity of S1 at a 2θ diffraction angle of 35.5°-35.7°, and the positive electrode active material has an XRD diffraction peak intensity of S2 at a 2θ diffraction angle of 24.1°-25.4°, S2/S1 being (0.005-0.05):1. The positive electrode active material has an XRD diffraction peak intensity of S3 at a 2θ diffraction angle of 28.8°-29.2°, S3/S1 being (0.005-0.05):1.

SECONDARY BATTERY, ELECTRIC DEVICE, LITHIUM-RICH MANGANESE-BASED POSITIVE ELECTRODE ACTIVE MATERIAL AND PREPARATION METHOD

Resumen de: WO2025246176A1

A secondary battery, an electric device, a lithium-rich manganese-based positive electrode active material and a preparation method. The positive electrode sheet in the secondary battery comprises a positive electrode current collector and a positive electrode active substance layer arranged on at least one side of the positive electrode current collector. The positive electrode active substance layer comprises a lithium-rich manganese-based positive electrode active material, and the lithium-rich manganese-based positive electrode active material comprises a substrate and a coating layer coating the substrate, wherein the substrate comprises a lithium-rich manganese-based compound containing a Q element, Q comprising at least one of F, S, Cl, Br and I; and the coating layer comprises a phosphate-containing inorganic salt. The secondary battery, the electric device, the lithium-rich manganese-based positive electrode active material and the preparation method can not only make the material have a relatively high gram capacity, but can also effectively improve the cycling stability and storage stability of the battery in a high-temperature and high-charge state.

CASE, BATTERY, AND ELECTRIC DEVICE

Resumen de: WO2025245936A1

A case (100), a battery (300), and an electric device (400). The case (100) comprises a frame (10) and a support plate (20). The support plate (20) comprises a plurality of structural plates and a buffer plate (23) arranged between every two adjacent structural plates. At least one structural plate is connected to the frame (10). The buffer plate (23) comprises a plate body (231) and a reinforcing plate (232) arranged in a gap of the plate body (231), and the reinforcing plate (232) is at least used for filling the gap of the plate body (231) in the width direction of the support plate (20).

BATTERY CELL, BATTERY, ENERGY STORAGE APPARATUS, AND ELECTRICAL APPARATUS

Resumen de: WO2025246219A1

The present application discloses a battery cell, a battery, an energy storage apparatus, and an electrical apparatus. The battery cell comprises a casing, a first conductive member, a first pole, a first deformation member, and a first connecting member. The casing has a first wall. The first conductive member is disposed at an outer side of the first wall and is insulated from the first wall. The first pole is connected to the first conductive member. The first deformation member is electrically connected to the first wall, and the first deformation member is configured to be able to deform to contact the first conductive member, so as to electrically connect the first pole to the first wall. The first connecting member is connected to the first conductive member and the first wall. The technical solutions provided by the present application can improve battery reliability.

Flurförderzeug, umfassend eine Batterie, einen Wärmetauscher und Kühlmittel

Resumen de: DE102024114895A1

Flurförderzeug umfassend eine Batterie, die mindestens eine Batteriezelle und ein Batteriegehäuse umfasst, in dessen Innenraum die mindestens eine Batteriezelle angeordnet ist, einen Wärmetauscher mit einem ersten Durchgangskanal, eine Ablaufleitung, die den Innenraum mit dem ersten Durchgangskanal verbindet, eine Zulaufleitung, die den ersten Durchgangskanal mit dem Innenraum verbindet, eine Pumpe und ein internes Kühlmittel, wobei das interne Kühlmittel die mindestens eine Batteriezelle zumindest teilweise umgibt, die Pumpe dazu ausgebildet ist, das interne Kühlmittel zwischen dem Innenraum und dem erstem Durchgangskanal zirkulieren zu lassen, und der Wärmetauscher dazu ausgebildet ist, einen Wärmeaustausch zwischen einer Umgebung und dem ersten Durchgangskanal zu ermöglichen.

LITHIUM- UND MANGANREICHE POSITIVE AKTIVMATERIALZUSAMMENSETZUNGEN

Resumen de: DE102025121186A1

Ein Aktivmaterial für positive Elektroden für Lithium-Ionen-Batterien kann eine Verbindung beinhalten, die durch die allgemeine Formel LiaMnbNic-xMxO2-yFydargestellt ist, wobei a in einem Bereich von 1,02 bis 1,08 liegt, b in einem Bereich von 0,51 bis 0,53 liegt, c in einem Bereich von 0,40 bis 0,47 liegt, x in einem Bereich von 0 bis 0,1 liegt, y in einem Bereich von 0 bis 0,1 liegt und M = Co, Kr oder eine Kombination davon ist.

Onboard-Ladegerät für ein Flurförderzeug

Resumen de: DE102024114897A1

Onboard-Ladegerät zum Laden von einem Flurförderzeug, das dazu ausgebildet ist, aus einem Lkw-Bordnetz gespeist das Flurförderzeug zu laden, wobei an dem Onboard-Ladegerät eine Zustandsgröße anliegt, die einen Ladezustand des Energiespeichers im Lkw-Bordnetz anzeigt, wobei das Onboard-Ladegerät eine Steuerung aufweist, die dazu eingerichtet ist, die anliegende Zustandsgröße mit einem Minimalwert zu vergleichen und einen Ladevorgang zu beenden, wenn die anliegende Zustandsgröße den Minimalwert unterschreitet, wobei die Steuerung ferner dazu ausgebildet ist, dass der abhängig von dem Energiespeicher im Lkw-Bordnetz frei gesetzt werden kann.

A METHOD FOR MANUFACTURING PRUSSIAN WHITE PARTICLES

Resumen de: WO2025247835A1

The present disclosure generally relates to a method for manufacturing Prussian White particles comprising: a) providing an aqueous solution of a precursor having the formula A4X1(CN)6, wherein A is Na or K, and wherein X1 is Fe or Mn; b) reacting said precursor with an acid under conditions that allow for an aqueous reaction product comprising Prussian White particles to be formed; and c) drying said aqueous reaction product, wherein step b) is performed at a temperature of from 75 to 95°C, preferably from 80 to 95°C, more preferably from 85 to 95°C and at a pH of from 1.8 to 4.5. The present disclosure also relates to a Prussian White particle obtainable by the method, to a cathode comprising a plurality of Prussian White particles, and to an electrochemical energy storage device, preferably a battery cell comprising the cathode. Furthermore, the present disclosure relates to a method for manufacturing a cathode comprising the Prussian White particles.

FEEDTHROUGH IN CONNECTION WITH THERMAL BARRIERS

Resumen de: WO2025247828A1

The present invention relates to a battery assembly (10), comprising a battery cell stack (12) with a plurality of battery cells (12a) with respective electrode tabs (14), wherein the battery cells (12a) are stacked and electrically interconnected via their electrode tabs (14) along a stacking direction (S), and a housing with a top and a base plate, between which the battery cell stack (12) is compressed, and structural enclosure walls (16), wherein at least one barrier element (18) is included in the battery cell stack (12) between a pair of neighbouring battery cells (12a) for dividing the battery cell stack (12) into a plurality of sealed cell modules (20a. 20b), wherein the at least one barrier element (18) comprises at least one stud element (22), which extends through an opening (16a) in a first of the structural enclosure walls (16) and is fixed to the first enclosure wall (16) by means of a counter element (22a), wherein between the at least one barrier element (18) and the first enclosure wall (16), a busbar assembly (24) is provided for electrically inter-connecting the neighbouring cell modules (12a), wherein by means of the barrier element (18), the first enclosure wall (16), the busbar assembly (24) and an insulating sealing layer (26) arranged between the busbar assembly (24) and the first enclosure wall (26), a hermetic sealing of the neighbouring cell modules (20a, 20b) is provided.

COATED PRUSSIAN WHITE PARTICLES

Resumen de: WO2025247834A1

The present disclosure generally relates to a Prussian White particle having an inner core and an outer surface, wherein the Prussian White particle is defined by AaX1X2(CN)6 1-y⋅mH2O, wherein the Prussian White particle comprises a coating arranged on at least a portion of the outer surface, wherein the coating is defined by Naa'X3X2(CN)6 1-y'⋅mH2O, wherein A is Na or K, 1.8 < (a, a') ≤ 2, preferably 1.9 < (a, a') ≤ 2, more preferably 1.98 < (a, a') ≤ 2, 0 < (m, m') ≤ 3, 0 ≤ (y, y') ≤ 0.025, wherein X1 and X2 are selected from Fe and Mn, and wherein X3 is Mn, Ti, Ag, Co, and/or Al. The present disclosure also relates to a method for manufacturing the Prussian White particles, to a cathode comprising a plurality of Prussian White particles, and to an electrochemical energy storage device, preferably a battery cell comprising the cathode. Furthermore, the present disclosure relates to a method for manufacturing a cathode comprising the Prussian White particles.

ELECTROLYTE AND LITHIUM-ION BATTERY USING SAME

Resumen de: WO2025245953A1

An electrolyte and a lithium-ion battery using same. The electrolyte comprises a first additive; the mass ratio of the first additive in the electrolyte is 2.5-5.5%; the first additive comprises trimethyl phosphate and pentafluoro ethoxy cyclotriphosphazene; upon calculation, the mass ratio of trimethyl phosphate to pentafluoro ethoxy cyclotriphosphazene is equal to 0.5-2:2-3.5.

BATTERY CELL, BATTERY, AND ELECTRIC DEVICE

Resumen de: WO2025246134A1

A battery cell (20), a battery (100), and an electric device, relating to the technical field of batteries. The battery cell (20) comprises a casing (21), electrode assemblies (22), and a pressure relief mechanism (23). The casing (21) comprises a wall portion (211). The electrode assemblies (22) are accommodated in the casing (21). The pressure relief mechanism (23) is arranged on the wall portion (211), and the pressure relief mechanism (23) is configured to release the internal pressure from the battery cell (20). The wall portion (211) has a first surface (2111) facing the electrode assemblies (22); abutting portions (2112) protrude from the first surface (2111); along a thickness direction (X) of the wall portion (211), the abutting portions (2112) abut against the electrode assemblies (22), so that an exhaust channel (24) is formed between the electrode assemblies (22) and the first surface (2111); and the exhaust channel (24) is configured to guide the gas inside the casing (21) to the pressure relief mechanism (23). The battery cell (20) can mitigate the phenomenon of the electrode assemblies (22) blocking or clogging the pressure relief mechanism (23), so as to enhance the internal exhaust smoothness of the battery cell (20) during thermal runaway, such that the pressure relief rate of the battery cell (20) can be increased, thereby facilitating reduction of the risk of explosion or bursting of the battery cell (20) caused by untimely pressure relief, improving the o

BATTERY AND ELECTRICAL DEVICE

Resumen de: WO2025246133A1

A battery (100) and an electrical device, relating to the technical field of batteries. The battery (100) comprises a fixing member (10) and battery cells (20). The fixing member (10) has a first surface (11). Each battery cell (20) comprises a housing (21) and an electrode assembly (22). The electrode assembly (22) is accommodated in the housing (21). The housing (21) has a wall portion (211). The wall portion (211) has a second surface (2111) facing away from the electrode assembly (22), and along a thickness direction (X) of the wall portion (211), the second surface (2111) and the first surface (11) are arranged to face each other. One of the first surface (11) and the second surface (2111) is provided with an engagement slot (2111a), and the other is provided with an engagement portion (111). The engagement portion (111) is inserted into and fitted with the engagement slot (2111a). The battery (100) can fasten the battery cells (20) onto the fixing member (10) to achieve fastening and positioning of the battery cells (20), thereby improving the structural stability and reliability of the battery cells (20) when assembled in the battery (100) and reducing phenomena such as shaking or displacement of the battery cells (20) during use. Accordingly, the risk of the battery cells (20) shifting or colliding with other components can be effectively reduced, improving the usage stability and service life of the battery (100).

FESTKÖRPERBATTERIE

Resumen de: DE102025100984A1

Diese Offenbarung sieht eine Festkörperbatterie vor, die eine Negativelektrodenschicht, eine Schutzschicht, eine Festelektrolytschicht und eine Positivelektrodenschicht in dieser Reihenfolge aufweist und eine Abscheidungs-Auflösungs-Reaktion des Metalls Lithium verwendet. Die Negativelektrodenschicht umfasst ein erstes Metallelement, das in der Lage ist, mit Lithium zu legieren. Die Schutzschicht umfasst ein zweites Metallelement, das in der Lage ist, mit Lithium zu legieren. Das erste und das zweite Metallelement sind unterschiedliche Elemente; und, wie in einer Schnittansicht der Festkörperbatterie entlang einer Dickenrichtung gesehen, hat die Schutzschicht einen ersten hervorstehenden Abschnitt, der nach außen über eine Endfläche der Negativelektrodenschicht in einer Richtung orthogonal zur Dickenrichtung vorsteht, und die Festelektrolytschicht hat einen zweiten hervorstehenden Abschnitt, der nach außen über eine Endfläche der Schutzschicht in der Richtung orthogonal zur Dickenrichtung vorsteht.

VERFAHREN ZUM HERSTELLEN EINER BATTERIE ODER EINES BATTERIEMODULS, BATTERIE ODER BATTERIEMODUL SOWIE KRAFTFAHRZEUG MIT DER BATTERIE ODER DEM BATTERIEMODUL

Resumen de: DE102024114909A1

Ein Verfahren zum Herstellen einer Batterie oder eines Batteriemoduls weist die folgenden Schritte auf:Bereitstellen Batteriegehäuses oder eines Batteriemodulgehäuses;Bereitstellen einer Batteriezelle mit einem Batteriezellengehäuse;Einbringen der Batteriezelle in das Batteriegehäuse oder in das Batteriemodulgehäuse;Aufbringen eines ersten Klebstoffs, insbesondere einer ersten Klebstoffschicht, auf das Batteriezellengehäuse derart, dass der erste Klebstoff mit dem Batteriezellengehäuse, insbesondere stoffschlüssig, verbunden ist;Aufbringen eines Zwischenstücks, insbesondere eines Plättchens, auf den ersten Klebstoff derart, dass das Zwischenstück mit dem ersten Klebstoff, insbesondere stoffschlüssig, verbunden ist; undAufbringen eines Schaums oder eines zweiten Klebstoffs, insbesondere einer zweiten Klebstoffschicht, auf dem Zwischenstück derart, dass der Schaum oder der zweite Klebstoff mit dem Batteriegehäuse oder dem Batteriemodulgehäuse, insbesondere mit einer dem Batteriezellengehäuse zugewandten Seite eines Batteriegehäusedeckels des Batteriegehäuses oder mit einer dem Batteriezellengehäuse zugewandten Seite eines Batteriemodulgehäusedeckels des Batteriemodulgehäuses, und dem Zwischenstück, insbesondere stoffschlüssig und/oder formschlüssig, verbunden ist.

Verfahren und Vorrichtung zum Bereitstellen eines prädizierten Alterungszustands einer Gerätebatterie basierend auf einem prädizierten Betriebsgrößenverlauf

Resumen de: DE102024205148A1

Die Erfindung betrifft ein computerimplementiertes Verfahren zum Prädizieren eines Alterungszustands oder eines Verlaufs eines Alterungszustands einer Gerätebatterie (41) in einem technischen Gerät (4).

FESTKÖRPERBATTERIESYSTEME UND VERFAHREN ZU DEREN HERSTELLUNG

Resumen de: DE102024120634A1

Ein Festkörperbatteriesystem beinhaltet eine Kathode, die ein beschichtetes kathodenaktives Material enthält. Das beschichtete kathodenaktive Material beinhaltet ein kathodenaktives Material, Lithiumniobat, das das kathodenaktive Material überlagert, und Titandiborid, das das kathodenaktive Material überlagert. Das Festkörperbatteriesystem beinhaltet ferner eine Anode und einen Festelektrolyten, der zwischen der Kathode und der Anode angeordnet ist. Der Festelektrolyt kann Lithium-Ionen-Leitungswege zwischen der Kathode und der Anode bereitstellen.

Batteriemodul mit mehreren Batterieeinzelzellen

Resumen de: DE102024001732A1

Die Erfindung betrifft ein Batteriemodul (5) mit mehreren Batterieeinzelzellen, welche zumindest in einem Abschnitt (3, 4) ihres Zellgehäuses (1) einen hexagonalen Querschnitt aufweisen. Die Erfindung ist dadurch gekennzeichnet, dass die Zellgehäuse (1) im Bereich des hexagonalen Querschnitts untereinander verklebt sind.

BATTERY CELL, BATTERY, ENERGY STORAGE DEVICE AND ELECTRIC DEVICE

Resumen de: WO2025246208A1

The present application discloses a battery cell, a battery, an energy storage device and an electric device. The battery cell comprises a housing, a first electrically conductive member, a first terminal post, and a first deformable member, wherein the housing has a first wall; the first electrically conductive member is disposed on an outer side of the first wall and is insulated from the first wall; the first electrically conductive member comprises a first sub-component and a second sub-component connected to each other, the second sub-component being used for connection with a busbar component; the first terminal post is connected to the second sub-component; and the first deformable member is electrically connected to the first wall, the first deformable member being configured to deform to come into contact with the first sub-component, thereby electrically connecting the first terminal post to the first wall. The technical solution provided in the present application can improve the reliability of the battery.

WINDING APPARATUS AND BATTERY PRODUCTION DEVICE

Resumen de: WO2025246124A1

The present application relates to a winding apparatus and a battery production device. The winding apparatus comprises: a first slitting mechanism, which is configured to slit an electrode sheet to be slit into at least two electrode sheets in the length direction of the electrode sheet to be slit; a second slitting mechanism, which is configured to slit a separator to be slit into at least two separators in the length direction of the separator to be slit; and a winding mechanism, which is configured to wind the slit electrode sheets and the slit separators in a one-to-one correspondence mode to form at least two electrode assemblies. In the present application, a first slitting mechanism can slit an electrode sheet to be slit into at least two electrode sheets, and a second slitting mechanism can slit a separator to be slit into at least two separators, such that the electrode sheets and the separators can be stacked in a one-to-one correspondence mode, and then wound by a winding mechanism to simultaneously form at least two electrode assemblies, effectively improving the winding efficiency of the electrode assemblies, thereby improving the overall production efficiency of batteries.

BATTERY CELL AND PROCESSING METHOD THEREFOR, BATTERY, AND ELECTRIC DEVICE

Resumen de: WO2025245894A1

A battery cell (102) and a processing method therefor, a battery (100), and an electric device (1000), relating to the technical field of batteries. The battery cell (102) comprises a casing component (1), a pole component (2), and a cell component (3). The casing component (1) is provided with an accommodating cavity (13) and comprises a first casing wall (111) which participates in defining the accommodating cavity (13). The pole component (2) is mounted on the first casing wall (111), and the pole component (2) comprises a pole body (21). The cell component (3) comprises cell bodies (32) and an adapter (35). The cell bodies (32) are arranged in the accommodating cavity (13), and the ends of the cell bodies (3) are connected to a tab group (33). The tab group (33) is electrically connected to the pole body (21) by means of the adapter (35). The adapter (35) supports a free end (331) of the tab group (33).

Energiespeichersystem, Positioniereinheit und Fluidversorgungsvorrichtung

Resumen de: DE102024115498A1

Energiespeichersystem, wobei das Energiespeichersystem Folgendes aufweist: eine Energiespeicherzone, in der Energiespeicherelemente angeordnet sind, ein Temperierfluidführungssystem zur Temperierung der Energiespeicherelemente und eine bis an Enden der Energiespeicherelemente heranreichende Energiespeicher-Endzone, wobei es vorteilhaft sein kann, wenn in der Energiespeicher-Endzone Endabschnitte der Energiespeicherelemente oder eines Anteils der Energiespeicherelemente angeordnet sind, wobei das Temperierfluidführungssystem eine Temperierzone aufweist und die Temperierzone sich entlang der Energiespeicher-Endzone oder durch die Energiespeicher-Endzone erstreckt.

Verfahren zur Rückgewinnung von überschüssigem Material einer Festkörperbatterie

Nº publicación: DE102024114905A1 04/12/2025

Solicitante:

BAYERISCHE MOTOREN WERKE AG [DE]
Bayerische Motoren Werke Aktiengesellschaft