DE102009035492A1 - Battery e.g. lithium ion battery for use in motor vehicle, has plate-shaped element arranged in cell stack parallel to individual battery cells and projecting from cell stack in two opposite directions toward battery housing - Google Patents
Battery e.g. lithium ion battery for use in motor vehicle, has plate-shaped element arranged in cell stack parallel to individual battery cells and projecting from cell stack in two opposite directions toward battery housing Download PDFInfo
- Publication number
- DE102009035492A1 DE102009035492A1 DE102009035492A DE102009035492A DE102009035492A1 DE 102009035492 A1 DE102009035492 A1 DE 102009035492A1 DE 102009035492 A DE102009035492 A DE 102009035492A DE 102009035492 A DE102009035492 A DE 102009035492A DE 102009035492 A1 DE102009035492 A1 DE 102009035492A1
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- Germany
- Prior art keywords
- battery
- cell stack
- plate
- cells
- battery cells
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/04—Construction or manufacture in general
- H01M10/0413—Large-sized flat cells or batteries for motive or stationary systems with plate-like electrodes
- H01M10/0418—Large-sized flat cells or batteries for motive or stationary systems with plate-like electrodes with bipolar electrodes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/233—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions
- H01M50/242—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions adapted for protecting batteries against vibrations, collision impact or swelling
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
- H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/613—Cooling or keeping cold
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/655—Solid structures for heat exchange or heat conduction
- H01M10/6554—Rods or plates
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/204—Racks, modules or packs for multiple batteries or multiple cells
- H01M50/207—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape
- H01M50/209—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for prismatic or rectangular cells
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/572—Means for preventing undesired use or discharge
- H01M50/574—Devices or arrangements for the interruption of current
- H01M50/579—Devices or arrangements for the interruption of current in response to shock
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Battery Mounting, Suspending (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
Description
Die
Erfindung betrifft eine Batterie mit einer Vielzahl von flachen,
im wesentlichen plattenförmigen Batterieeinzelzellen, nach
der im Oberbegriff von Anspruch 1 näher definierten Art.The
The invention relates to a battery having a plurality of flat,
essentially plate-shaped battery cells, after
the type defined in the preamble of
Batterien in einer derartigen Bauweise mit einem Stapel von flachen Batterieeinzelzellen werden häufig als Hochleistungsbatterien beispielsweise in Fahrzeugen eingesetzt, wenn diese elektrisch oder zumindest teilweise elektrisch betrieben werden. Derartige Traktionsbatterien sind dabei häufig als Lithiumionenbatterien ausgeführt welche über eine aktive Kühlung verfügen.batteries in such a construction with a stack of flat battery cells are often used as high performance batteries, for example Used in vehicles, if this electrically or at least partially be operated electrically. Such traction batteries are included often designed as lithium ion batteries which over have an active cooling.
Beim Einsatz in Fahrzeugen finden sich derartige Batterien entsprechend dem herkömmlichen Aufbau eines Fahrzeugs häufig im Frontbereich oder im Heckbereich des Fahrzeugs. Kommt es nun zu einem Unfall mit dem Fahrzeug können die Batterien, welche außerhalb der Fahrgastsicherheitszelle in den sogenannten Crashzonen angeordnet, sind davon leicht in Mitleidenschaft gezogen werden. Dies kann dazu führen, dass durch eine entsprechende Verformung des Batteriegehäuses, welches aus Gründen der elektrischen Abschirmung üblicherweise aus einem metallischen oder mit einem Metall beschichteten Material besteht, und gegebenenfalls des Zellenstapels ein Kurzschluss und/oder ein Kontakt des aktiven Materials der Batterie mit dem Kühlmedium erfolgt. Dadurch kann es nun zu einer starken Überhitzung der Batterie bis hin zu einem Brand oder gar einer Explosion der Batterie kommen.At the Use in vehicles can be found such batteries accordingly the conventional construction of a vehicle frequently in the front or rear of the vehicle. Is it coming now? An accident with the vehicle can damage the batteries outside the passenger safety cell in the so-called Crash zones are easily affected become. This can lead to a corresponding deformation of the battery case, which for reasons of electrical shielding usually made of a metallic or with a metal-coated material, and optionally the Cell stack a short circuit and / or a contact of the active material the battery is carried out with the cooling medium. It can now to a strong overheating of the battery all the way to a fire or even an explosion of the battery.
Es ist daher die Aufgabe der Erfindung, eine derartige Batterie so zu modifizieren, dass diese beim Einsatz in einem Fahrzeug für den Crashfall eine höhere Sicherheit bietet.It is therefore the object of the invention, such a battery to modify these when used in a vehicle for the crash event offers greater security.
Durch den erfindungsgemäß Einsatz von zusätzlichen plattenförmigen Elementen, welche als Crashleitelemente auf den Batteriestapel und sein Batteriegehäuse einwirkende Kräfte aufnehmen und von der einen Seite des Batteriegehäuses zur anderen Seite des Batteriegehäuses ableiten, kann in vielen Fällen verhindert werden, dass es zu einem direkten Kontakt des Batteriegehäuses mit den eigentlichen Batteriezellen kommt. Da bei einer derartigen Verformung das metallische Batteriegehäuse, auch wenn dieses eine Beschichtung zur Isolierung trägt, typischer Weise stark verformt wird, kann es trotz dieser eventuellen Beschichtung mit den Zellen in direkten Kontakt kommen und diese kurzschließen, was zu einer Überhitzung bis hin zu einem Brand der Batterie führen kann. Außerdem kann durch die Deformation eine entsprechende Undichtheit auftreten, so dass flüssiges Kühlmedium beispielsweise Wasser in Kontakt zu den Zellen kommt. Im Falle von Lithiumionenzellen kann dieser Kontakt des Lithiums mit dem Wasser ebenfalls zu einer heftigen chemischen Reaktion führen, welche einen Brand oder gar eine Explosion nach sich ziehen kann.By the inventive use of additional plate-shaped elements, which as Crashleitelemente acting on the battery pack and its battery case Take up forces and from one side of the battery case Derive to the other side of the battery case, in Many cases prevent it from becoming direct Contact of the battery case with the actual battery cells comes. Because with such a deformation, the metallic battery case, although this one carries a coating for insulation, more typical Way, it may deform despite this eventual coating come in direct contact with the cells and short them, resulting in overheating and even a fire of the battery can lead. In addition, by the deformation a corresponding leaking occur, so that liquid Cooling medium, for example, water in contact with the cells comes. In the case of lithium-ion cells, this contact of the lithium also cause a violent chemical reaction with the water, which can cause a fire or even an explosion.
Durch die erfindungsgemäßen plattenförmigen Crashleitelemente kann dieses Szenario verhindert werden beziehungsweise je nach Schwere des Unfalls kann die Gefahr zumindest deutlich minimiert werden. Das sich verformende Batteriegehäuse wird sich zuerst an der Crashleitplatte abstützen, welche verhindert, dass es zu einem Kontakt des Batteriegehäuses mit den Batterieeinzelzellen des Zellenstapels kommt. Das plattenförmige Element wird diese Kräfte dann durch den Zellenstapel hindurch auf die andere Seite des Batteriegehäuses leiten und von dort wieder ableiten, so dass es auch hier zu keinem Kontakt zwischen den Einzelzellen und dem Batteriegehäuse kommen kann. Das plattenförmige Crashleitelement kann sich dabei zwischen den Batterieeinzelzellen auch geringfügig verschieben, ohne dass daraus unbedingt eine zu starke Beschädigung des Zellenstapels resultiert und es in diesen zu Kurzschlüssen oder Undichtheiten kommt.By the plate-shaped invention Crash elements, this scenario can be prevented or depending on the severity of the accident, the risk can be minimized at least significantly. The deforming battery case becomes first support the crash baffle, which prevents it comes to a contact of the battery case with the battery cells the cell stack comes. The plate-shaped element is these forces then through the cell stack to the other Conduct side of the battery case and derive from there, so that there is no contact between the individual cells and the battery case can come. The plate-shaped Crash element can be between the battery cells also slightly shift, without necessarily necessarily too much damage to the cell stack results and there are short circuits or leaks in them.
Das erfindungsgemäße plattenförmige Element als Crashleitelement ermöglicht somit eine deutliche Verbesserung der Sicherheit von derartigen Batterien, insbesondere wenn diese in einem Fahrzeug eingesetzt werden.The plate-shaped element according to the invention as a crash control element thus allows a significant improvement the safety of such batteries, especially if these be used in a vehicle.
Eine besonders günstige Verwendung der erfindungsgemäßen Batterie ist beim Einsatz als Traktionsbatterie in einem Kraftfahrzeug gegeben. Insbesondere diese Batterien weisen eine sehr hohe Leistungsdichte und typischer Weise einen hohen Energieinhalt auf. Ebenso weisen sie relativ viele Batterieeinzelzellen sowie eine vergleichsweise hohe Menge an aktivem Material auf. Besonders bei derartigen Batterien sind die oben beschriebenen Szenarien in einem Crashfall besonders relevant, so dass hier durch die erfindungsgemäßen Crashleitelemente ein besonderer Vorteil erzielt werden kann.A particularly favorable use of the invention Battery is when used as a traction battery in a motor vehicle given. In particular, these batteries have a very high power density and typically high energy content. Likewise They have a relatively large number of single cells and a comparatively high amount of active material. Especially with such batteries the scenarios described above are especially special in a crash case relevant, so that here by the invention Crashleitelemente a particular advantage can be achieved.
Weiter vorteilhafte Ausgestaltungen der erfindungsgemäßen Batterie so wie der hierfür geeigneten Verwendungen ergeben sich aus den restlichen Unteransprüchen und werden anhand des Ausführungsbeispiels deutlich, welches nachfolgend anhand der Figuren näher erläutert wird.Further advantageous embodiments of the invention Battery as the appropriate uses itself from the remaining subclaims and are based of the embodiment clear, which below will be explained in more detail with reference to the figures.
Dabei zeigen:there demonstrate:
In
Nun
liegen die typischen Positionen für die Batterie
Der
Zellenblock
Der
Zellenblock
Die
erfindungsgemäße Besonderheit der hier dargestellten
Batterie
Durch
die erfindungsgemäßen plattenförmigen
Crashleitelemente
In
In
der Darstellung der
Je
nach Aufbau und insbesondere je nach Länge des Zellenstapels
Bei
einer entsprechenden Rahmenflachbauweise mit metallischen Hüllblechen
In
Der
Aufbau mit den Crashleitelementen
ZITATE ENTHALTEN IN DER BESCHREIBUNGQUOTES INCLUDE IN THE DESCRIPTION
Diese Liste der vom Anmelder aufgeführten Dokumente wurde automatisiert erzeugt und ist ausschließlich zur besseren Information des Lesers aufgenommen. Die Liste ist nicht Bestandteil der deutschen Patent- bzw. Gebrauchsmusteranmeldung. Das DPMA übernimmt keinerlei Haftung für etwaige Fehler oder Auslassungen.This list The documents listed by the applicant have been automated generated and is solely for better information recorded by the reader. The list is not part of the German Patent or utility model application. The DPMA takes over no liability for any errors or omissions.
Zitierte PatentliteraturCited patent literature
- - DE 102007063181 [0019] - DE 102007063181 [0019]
Claims (13)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102009035492A DE102009035492A1 (en) | 2009-07-31 | 2009-07-31 | Battery e.g. lithium ion battery for use in motor vehicle, has plate-shaped element arranged in cell stack parallel to individual battery cells and projecting from cell stack in two opposite directions toward battery housing |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102009035492A DE102009035492A1 (en) | 2009-07-31 | 2009-07-31 | Battery e.g. lithium ion battery for use in motor vehicle, has plate-shaped element arranged in cell stack parallel to individual battery cells and projecting from cell stack in two opposite directions toward battery housing |
Publications (1)
Publication Number | Publication Date |
---|---|
DE102009035492A1 true DE102009035492A1 (en) | 2011-02-03 |
Family
ID=43402625
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Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE102009035492A Withdrawn DE102009035492A1 (en) | 2009-07-31 | 2009-07-31 | Battery e.g. lithium ion battery for use in motor vehicle, has plate-shaped element arranged in cell stack parallel to individual battery cells and projecting from cell stack in two opposite directions toward battery housing |
Country Status (1)
Country | Link |
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DE (1) | DE102009035492A1 (en) |
Cited By (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102012000622A1 (en) | 2012-01-14 | 2013-07-18 | Volkswagen Aktiengesellschaft | Battery device i.e. traction battery device, for e.g. electric vehicle, has amplification prop comprising deformation element in region of interspace that is deformable in event of crash by partial exhaustion of intermediate chamber |
EP2637234A1 (en) | 2012-03-07 | 2013-09-11 | Magna E-Car Systems GmbH & Co OG | Battery structure for a motor vehicle |
DE102012019922A1 (en) | 2012-10-11 | 2014-04-17 | Volkswagen Aktiengesellschaft | Battery device for use in e.g. motor car, has battery housing comprising plastic impact bracket at outer side, where impact bracket is in alignment to crash cross beams to cause transverse displacement of exterior wall of battery housing |
DE102013006702A1 (en) | 2013-04-18 | 2014-10-23 | Volkswagen Aktiengesellschaft | Battery arrangement in a two-lane vehicle |
US8871372B2 (en) | 2009-06-23 | 2014-10-28 | Bayerische Motoren Werke Aktiengesellschaft | Device that is intended for supplying power to a motor vehicle and comprises a cooler block |
US9052148B2 (en) | 2009-06-23 | 2015-06-09 | Bayerische Motoren Werke Aktiengesellschaft | Power supply device for a motor vehicle |
DE102015101184A1 (en) | 2015-01-28 | 2016-07-28 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Housing arrangement for a battery assembly |
DE102015008930A1 (en) | 2015-07-10 | 2017-01-12 | Daimler Ag | Protective device for an electric battery and vehicle |
DE102016008170A1 (en) | 2016-07-02 | 2017-02-16 | Daimler Ag | Battery with a stiffening structure |
EP3428993A1 (en) | 2017-07-13 | 2019-01-16 | Outokumpu Oyj | Safety battery compartment for battery electric vehicles |
DE102018205765A1 (en) | 2018-04-17 | 2019-10-17 | Volkswagen Aktiengesellschaft | Mounting arrangement of an electrically driven motor vehicle |
US10483602B2 (en) | 2017-08-16 | 2019-11-19 | Ford Global Technologies, Llc | Battery housing for a lithium-ion battery |
WO2020038967A1 (en) | 2018-08-21 | 2020-02-27 | Kirchhoff Automotive Deutschland Gmbh | Battery housing |
DE102019110536A1 (en) * | 2019-04-24 | 2020-10-29 | Bayerische Motoren Werke Aktiengesellschaft | Battery cell module and motor vehicle |
DE102020204637A1 (en) | 2020-04-09 | 2021-10-14 | Mahle International Gmbh | battery |
DE102020212682A1 (en) | 2020-10-07 | 2022-04-07 | Volkswagen Aktiengesellschaft | High-voltage battery for an electrically powered vehicle |
DE102021116609A1 (en) | 2021-06-28 | 2022-12-29 | Man Truck & Bus Se | Battery module with crash strut |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102007063181A1 (en) | 2007-08-06 | 2009-02-19 | Daimler Ag | Single cell for a battery and method for its production |
-
2009
- 2009-07-31 DE DE102009035492A patent/DE102009035492A1/en not_active Withdrawn
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102007063181A1 (en) | 2007-08-06 | 2009-02-19 | Daimler Ag | Single cell for a battery and method for its production |
Cited By (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8871372B2 (en) | 2009-06-23 | 2014-10-28 | Bayerische Motoren Werke Aktiengesellschaft | Device that is intended for supplying power to a motor vehicle and comprises a cooler block |
US9052148B2 (en) | 2009-06-23 | 2015-06-09 | Bayerische Motoren Werke Aktiengesellschaft | Power supply device for a motor vehicle |
DE102012000622A1 (en) | 2012-01-14 | 2013-07-18 | Volkswagen Aktiengesellschaft | Battery device i.e. traction battery device, for e.g. electric vehicle, has amplification prop comprising deformation element in region of interspace that is deformable in event of crash by partial exhaustion of intermediate chamber |
EP2637234A1 (en) | 2012-03-07 | 2013-09-11 | Magna E-Car Systems GmbH & Co OG | Battery structure for a motor vehicle |
DE102012019922B4 (en) | 2012-10-11 | 2023-03-02 | Volkswagen Aktiengesellschaft | Battery arrangement in a vehicle |
DE102012019922A1 (en) | 2012-10-11 | 2014-04-17 | Volkswagen Aktiengesellschaft | Battery device for use in e.g. motor car, has battery housing comprising plastic impact bracket at outer side, where impact bracket is in alignment to crash cross beams to cause transverse displacement of exterior wall of battery housing |
DE102013006702A1 (en) | 2013-04-18 | 2014-10-23 | Volkswagen Aktiengesellschaft | Battery arrangement in a two-lane vehicle |
DE102015101184A1 (en) | 2015-01-28 | 2016-07-28 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Housing arrangement for a battery assembly |
DE102015008930A1 (en) | 2015-07-10 | 2017-01-12 | Daimler Ag | Protective device for an electric battery and vehicle |
DE102016008170A1 (en) | 2016-07-02 | 2017-02-16 | Daimler Ag | Battery with a stiffening structure |
EP3428993A1 (en) | 2017-07-13 | 2019-01-16 | Outokumpu Oyj | Safety battery compartment for battery electric vehicles |
US10483602B2 (en) | 2017-08-16 | 2019-11-19 | Ford Global Technologies, Llc | Battery housing for a lithium-ion battery |
DE102018205765A1 (en) | 2018-04-17 | 2019-10-17 | Volkswagen Aktiengesellschaft | Mounting arrangement of an electrically driven motor vehicle |
US11084366B2 (en) | 2018-04-17 | 2021-08-10 | Volkswagen Aktiengesellschaft | Mounting arrangement of an electrically driven motor vehicle |
DE102018120296A1 (en) * | 2018-08-21 | 2020-02-27 | Kirchhoff Automotive Deutschland Gmbh | battery case |
WO2020038967A1 (en) | 2018-08-21 | 2020-02-27 | Kirchhoff Automotive Deutschland Gmbh | Battery housing |
DE102019110536A1 (en) * | 2019-04-24 | 2020-10-29 | Bayerische Motoren Werke Aktiengesellschaft | Battery cell module and motor vehicle |
CN113474939A (en) * | 2019-04-24 | 2021-10-01 | 宝马股份公司 | Battery cell module and motor vehicle |
CN113474939B (en) * | 2019-04-24 | 2023-07-28 | 宝马股份公司 | Battery cell module and motor vehicle |
DE102020204637A1 (en) | 2020-04-09 | 2021-10-14 | Mahle International Gmbh | battery |
DE102020212682A1 (en) | 2020-10-07 | 2022-04-07 | Volkswagen Aktiengesellschaft | High-voltage battery for an electrically powered vehicle |
DE102021116609A1 (en) | 2021-06-28 | 2022-12-29 | Man Truck & Bus Se | Battery module with crash strut |
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