DE102017006144A1 - Clamping device for reversibly tensioning and relaxing battery cells of a battery module for a battery of a motor vehicle, as well as a battery for a motor vehicle - Google Patents
Clamping device for reversibly tensioning and relaxing battery cells of a battery module for a battery of a motor vehicle, as well as a battery for a motor vehicle Download PDFInfo
- Publication number
- DE102017006144A1 DE102017006144A1 DE102017006144.0A DE102017006144A DE102017006144A1 DE 102017006144 A1 DE102017006144 A1 DE 102017006144A1 DE 102017006144 A DE102017006144 A DE 102017006144A DE 102017006144 A1 DE102017006144 A1 DE 102017006144A1
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- Germany
- Prior art keywords
- battery
- clamping
- motor vehicle
- support plate
- battery cells
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- 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
- H01M10/0481—Compression means other than compression means for stacks of electrodes and separators
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L50/00—Electric propulsion with power supplied within the vehicle
- B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
- B60L50/60—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries
- B60L50/64—Constructional details of batteries specially adapted for electric vehicles
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2220/00—Batteries for particular applications
- H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
-
- 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
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
Die Erfindung betrifft eine Spannvorrichtung (20) zum reversiblen Spannen und Entspannen von Batteriezellen (12) eines Batteriemoduls (10) für eine Batterie eines Kraftfahrzeugs, mit wenigstens einer Abstützplatte (22), mittels welcher die Spannvorrichtung (20) zumindest mittelbar an zumindest einer der Batteriezellen (12) entlang einer Abstützrichtung (18) abstützbar ist, und mit wenigstens zwei mit der Abstützplatte (22) verbundenen Spannarmen (24, 26), welche entlang der Abstützrichtung von (18) der Abstützplatte (22) abstehen und mit einem Spannelement (28) verbindbar sind, sodass die entlang der Abstützrichtung (18) zwischen dem Spannelement (28) und der Abstützplatte (22) anordenbaren Batteriezellen (12) mittels der Spannarme (24, 26) über das Spannelement (28) gegen die Abstützplatte (22) reversibel zu spannen und dadurch an der Spannvorrichtung (20) reversibel zu halten sind, wobei die an sich eigensteifen Spannarme (24, 26) eine Längenverstelleinrichtung aufweisen, mittels welcher eine jeweilige entlang der Abstützrichtung (18) verlaufende Länge des jeweiligen Spannarms (24, 26) einstellbar ist. The invention relates to a tensioning device (20) for reversibly tensioning and relaxing battery cells (12) of a battery module (10) for a battery of a motor vehicle, comprising at least one support plate (22), by means of which the tensioning device (20) at least indirectly on at least one of Battery cells (12) along a support direction (18) can be supported, and with at least two with the support plate (22) connected clamping arms (24, 26) which along the supporting direction of (18) of the support plate (22) projecting and with a clamping element ( 28) are connectable, so that along the support direction (18) between the clamping element (28) and the support plate (22) can be arranged battery cells (12) by means of the clamping arms (24, 26) via the clamping element (28) against the support plate (22) to be reversibly clamped and thereby to be reversibly held on the tensioning device (20), wherein the inherently stiff clamping arms (24, 26) have a length adjustment device, by means of which a respective along the support direction (18) extending length of the respective clamping arm (24, 26) is adjustable.
Description
Die Erfindung betrifft eine Spannvorrichtung zum reversiblen Spannen und Entspannen von Batteriezellen eines Batteriemoduls für eine Batterie eines Kraftfahrzeugs, insbesondere eines Kraftwagens. Außerdem betrifft die Erfindung eine Batterie für ein Kraftfahrzeug.The invention relates to a tensioning device for reversibly tensioning and relaxing battery cells of a battery module for a battery of a motor vehicle, in particular of a motor vehicle. Moreover, the invention relates to a battery for a motor vehicle.
Die
Ferner offenbart die
Aufgabe der vorliegenden Erfindung ist es, eine Spannvorrichtung und eine Batterie für ein Kraftfahrzeug bereitzustellen, sodass sich eine besonders einfache Wartung, insbesondere eine besonders einfache Reparatur, eines Batteriemoduls realisieren lässt.Object of the present invention is to provide a clamping device and a battery for a motor vehicle, so that a particularly simple maintenance, in particular a particularly simple repair, a battery module can be realized.
Diese Aufgabe wird durch eine Spannvorrichtung mit den Merkmalen des Patentanspruchs 1 sowie durch eine Batterie mit den Merkmalen des Patentanspruchs 5 gelöst. Vorteilhafte Ausgestaltungen mit zweckmäßigen Weiterbildungen der Erfindung sind in den übrigen Ansprüchen angegeben.This object is achieved by a clamping device having the features of patent claim 1 and by a battery having the features of patent claim 5. Advantageous embodiments with expedient developments of the invention are specified in the remaining claims.
Die erfindungsgemäße Spannvorrichtung zum reversiblen Spannen und Entspannen von Batteriezellen eines Batteriemoduls für eine insbesondere als Hochvolt-Batterie ausgebildete Batterie eines Kraftfahrzeugs, insbesondere eines Kraftwagens, zeichnet sich durch wenigstens eine Abstützplatte aus, mittels welcher die Spannvorrichtung zumindest mittelbar an einer der Batteriezellen entlang einer Abstützrichtung abstützbar ist.The tensioning device according to the invention for reversibly tensioning and relaxing battery cells of a battery module for a battery of a motor vehicle, in particular a motor vehicle, designed in particular as a high-voltage battery, is characterized by at least one support plate by means of which the tensioning device can be supported at least indirectly on one of the battery cells along a support direction is.
Außerdem umfasst die erfindungsgemäße Spannvorrichtung wenigstens zwei mit der Abstützplatte verbundene Spannarme, welche beispielsweise entlang einer senkrecht zur Abstützrichtung verlaufenden weiteren Richtung voneinander beabstandet und somit beispielsweise auf entlang der genannten Richtung gegenüberliegenden Seiten angeordnet sind. Die Spannarme stehen entlang der Abstützrichtung von der Abstützplatte ab und sind mit einem beispielsweise als Schottwand des Batteriemoduls beziehungsweise der Spannvorrichtung ausgebildeten Spannelement verbindbar, sodass die entlang der Abstützrichtung zwischen dem Spannelement (Schottwand) und der Abstützplatte anordenbaren beziehungsweise angeordneten und mittels der Spannvorrichtung reversibel spannbaren und entspannbaren Batteriezellen mittels der Spannarme über das Spannelement gegen das Abstützelement reversibel zu spannen und dadurch an der Spannvorrichtung reversibel zu halten sind. Zumindest in einem Zustand, in welchem die Batteriezellen mittels der Spannarme über das Spannelement gegen die Abstützplatte gespannt sind, umgreifen die Spannarme beispielsweise die Batteriezellen jeweils zumindest teilweise beziehungsweise die Spannarme erstrecken sich beispielsweise von der Abstützplatte zu dem Spannelement und sind sowohl mit der Abstützplatte als auch mit dem Spannelement gekoppelt. Beispielsweise durch entsprechendes Spannen der Spannvorrichtung, insbesondere der Spannarme, stellt die Spannvorrichtung, insbesondere über die Spannarme, eine Spannkraft bereit, welche beispielsweise über die Spannarme und das Spannelement auf die Batteriezellen wirkt. Mittels der Spannkraft werden die Batteriezellen gegen die Abstützplatte gespannt, sodass die Batteriezellen zwischen der Abstützplatte und dem Spannelement verspannt sind. In der Folge können beispielsweise die auf die genannte Weise verspannten Batteriezellen besonders einfach gehandhabt werden, sodass beispielsweise das Batteriemodul auf einfache Weise gewartet, insbesondere repariert, werden kann.In addition, the clamping device according to the invention comprises at least two clamping arms connected to the support plate, which are spaced apart, for example along a direction perpendicular to the support direction further direction and thus, for example, arranged on opposite sides of said direction. The clamping arms are along the supporting direction of the support plate and are connected to a trained example as a bulkhead of the battery module or the clamping device clamping element, so that along the supporting direction between the clamping element (bulkhead) and the support plate arranged or arranged and reversibly tensioned by means of the clamping device and relaxable battery cells by means of the clamping arms on the clamping element against the support element to clamp reversibly and thereby are reversible to keep the clamping device. At least in a state in which the battery cells are stretched by means of the clamping arms on the clamping element against the support plate, the clamping arms, for example, at least partially surround the battery cells or the clamping arms extend for example from the support plate to the clamping element and are both with the support plate and coupled with the clamping element. For example, by appropriately tensioning the tensioning device, in particular the tensioning arms, the tensioning device, in particular via the tensioning arms, provides a tensioning force which, for example, acts on the battery cells via the tensioning arms and the tensioning element. By means of the clamping force, the battery cells are clamped against the support plate, so that the battery cells between the support plate and the clamping element are braced. As a result, for example, the battery cells clamped in the above-mentioned manner can be handled particularly easily, so that, for example, the battery module can be maintained, in particular repaired, in a simple manner.
Des Weiteren ist es vorgesehen, dass die an sich eigensteifen Spannarme eine Längenverstelleinrichtung aufweisen, mittels welcher eine jeweilige entlang der Abstützrichtung verlaufende Länge des jeweiligen Spannarms einstellbar, das heißt variierbar ist. Mit anderen Worten weist der jeweilige Spannarm eine variable Länge, das heißt eine variable Armlänge auf, sodass beispielsweise die Spannarme hinsichtlich ihrer jeweiligen Länge an eine Anzahl beziehungsweise an unterschiedliche Anzahlen von mittels der Spannvorrichtung zu verspannenden Batteriezellen des Batteriemoduls bedarfsgerecht angepasst werden können. Auf diese Weise ist es beispielsweise möglich, mittels der Spannvorrichtung alle Batteriezellen des Batteriemoduls oder lediglich einige der Batteriezellen zu verspannen.Furthermore, it is provided that the intrinsically rigid clamping arms have a length adjustment device, by means of which a respective length of the respective clamping arm extending along the support direction is adjustable, that is to say variable. In other words, the respective clamping arm has a variable length, that is to say a variable arm length, so that, for example, the clamping arms can be adapted to their needs to a number or to different numbers of battery cells of the battery module to be clamped by means of the tensioning device. In this way it is for example possible to clamp by means of the tensioning device all the battery cells of the battery module or only some of the battery cells.
Der Erfindung liegt dabei insbesondere die Erkenntnis zugrunde, dass eine servicegerechte Aufbereitung von auch als Zellmodulen bezeichneten Batteriemodulen in Kraftfahrzeugen wie beispielsweise Elektro- oder Hybridfahrzeugen bei aktuellen Konzepten nahezu nicht wirtschaftlich möglich ist, sodass üblicherweise in einem Servicebeziehungsweise Reparaturfall das gesamte Batteriemodul mit allen Batteriezellen des Batteriemoduls ausgetauscht werden muss. Dies führt zu hohen Kosten.The invention is based in particular on the finding that a service-friendly preparation of battery modules also referred to as cell modules in motor vehicles such as electric or hybrid vehicles with current concepts is almost not economically feasible, so usually in a Servicebeziehungsweise repair the entire battery module with all battery cells of the battery module must be replaced. This leads to high costs.
Mithilfe der erfindungsgemäßen Spannvorrichtung kann nun jedoch das Batteriemodul, insbesondere das gesamte Batteriemodul, bedarfsgerecht verspannt und entspannt werden. Hierdurch ist es beispielsweise möglich, lediglich defekte Zellen aus dem Batteriemodul servicegerecht auszutauschen, sodass funktionstüchtige Zellen nicht ausgetauscht und in dem Batteriemodul belassen werden können. Die erfindungsgemäße Spannvorrichtung ist somit eine Spann- und Fixiervorrichtung zum gezielten Ent- und Verspannen des Batteriemoduls, insbesondere des gesamten Batteriemoduls. Unter dem reversiblen Spannen und Entspannen und unter dem reversiblen Halten der der Batteriezellen ist insbesondere zu verstehen, dass die Batteriezellen mittels der Spannvorrichtung zerstörungsfrei gespannt und wieder entspannt und somit an der Spannvorrichtung gehalten und wieder von der Spannvorrichtung gelöst werden können. Mit anderen Worten können beispielsweise die Batteriezellen beziehungsweise das Batteriemodul mittels der Spannvorrichtung verspannt beziehungsweise gespannt und daran anschließend zerstörungs- und beschädigungsfrei wieder entspannt werden. Somit ist es möglich, eine Reparatur beziehungsweise einen Austausch des gesamten Batteriemoduls zu vermeiden und nur jeweilige Einzelzellen zu reparieren beziehungsweise auszutauschen, sodass eine einfache und kostengünstige Reparatur beziehungsweise Wartung des Batteriemoduls beziehungsweise der Batterie insgesamt darstellbar ist. Außerdem kann eine besonders hohe Arbeitssicherheit gewährleistet werden, da mittels der Spannvorrichtung eine gezielte Verspannung vorgenommen werden kann.With the aid of the tensioning device according to the invention, however, the battery module, in particular the entire battery module, can now be braced and relaxed as needed. This is it For example, it is possible to replace only defective cells from the battery module so that they can not be replaced and left in the battery module. The tensioning device according to the invention is thus a tensioning and fixing device for targeted undressing and bracing the battery module, in particular the entire battery module. Under the reversible clamping and relaxing and under the reversible holding the battery cells is to be understood in particular that the battery cells by means of the tensioning device tensioned nondestructively and relaxed again and thus held on the jig and released from the jig again. In other words, for example, the battery cells or the battery module can be clamped or tensioned by means of the tensioning device and then subsequently relaxed again without damage and destruction. Thus, it is possible to avoid repair or replacement of the entire battery module and to repair or replace only respective individual cells, so that a simple and cost-effective repair or maintenance of the battery module or the battery is displayed in total. In addition, a particularly high level of work safety can be ensured, since a targeted tension can be made by means of the tensioning device.
Weitere Vorteile, Merkmale und Einzelheiten der Erfindung ergeben sich aus der nachfolgenden Beschreibung eines bevorzugten Ausführungsbeispiels sowie anhand der Zeichnung. Die vorstehend in der Beschreibung genannten Merkmale und Merkmalskombinationen sowie die nachfolgend in der Figurenbeschreibung genannten und/oder in den Figuren alleine gezeigten Merkmale und Merkmalskombinationen sind nicht nur in der jeweils angegebenen Kombination, sondern auch in anderen Kombinationen oder in Alleinstellung verwendbar, ohne den Rahmen der Erfindung zu verlassen.Further advantages, features and details of the invention will become apparent from the following description of a preferred embodiment and from the drawing. The features and feature combinations mentioned above in the description as well as the features and feature combinations mentioned below in the description of the figures and / or in the figures alone can be used not only in the respectively specified combination but also in other combinations or in isolation, without the scope of To leave invention.
Die Zeichnung zeigt in:
-
1 eine schematische Draufsicht eines Batteriemoduls mit einer erfindungsgemäßen Spannvorrichtung in einem verspannten Zustand; -
2 eine schematische Vorderansicht des Batteriemoduls; -
3 eine schematische Vorderansicht eines als Schottwand ausgebildeten Spannelements; -
4 eine schematische Seitenansicht der Schottwand; -
5 eine schematische Draufsicht des auch als Zellmodul bezeichneten Batteriemoduls in einem entspannten Zustand; und -
6 eine schematische Seitenansicht des entspannten Batteriemoduls.
-
1 a schematic plan view of a battery module with a clamping device according to the invention in a clamped state; -
2 a schematic front view of the battery module; -
3 a schematic front view of a formed as a bulkhead tensioning element; -
4 a schematic side view of the bulkhead; -
5 a schematic plan view of the battery module, also referred to as a cell module in a relaxed state; and -
6 a schematic side view of the relaxed battery module.
In den Fig. sind gleiche oder funktionsgleiche Elemente mit gleichen Bezugszeichen versehen.In the figures, the same or functionally identical elements are provided with the same reference numerals.
Dabei ist es denkbar, dass die Batterie eine Mehrzahl von Batteriemodulen wie das Batteriemodul
Um nun das Batteriemodul
Hierzu umfasst die Spannvorrichtung
Besonders gut in Zusammenschau mit
Besonders gut aus
Durch Spannen der Spannvorrichtung
Um dabei unterschiedliche Anzahlen der Batteriezellen
BezugszeichenlisteLIST OF REFERENCE NUMBERS
- 1010
- Batteriemodulbattery module
- 1212
- Batteriezellenbattery cells
- 1414
- Befestigungsschienemounting rail
- 1616
- Endplatteendplate
- 1818
- Doppelpfeildouble arrow
- 2020
- Spannvorrichtungjig
- 2222
- Abstützplattesupport plate
- 2424
- Spannarmeclamping arms
- 2626
- Spannarmeclamping arms
- 2828
- Schottwandbulkhead
- 30 30
- EinzelzellenSingle cells
- 3232
- Ausnehmungrecess
- 3434
- Vorsprunghead Start
ZITATE ENTHALTEN IN DER BESCHREIBUNG QUOTES 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 of the documents listed by the applicant has been generated automatically and is included solely for the better information of the reader. The list is not part of the German patent or utility model application. The DPMA assumes no liability for any errors or omissions.
Zitierte PatentliteraturCited patent literature
- WO 2012/009145 A2 [0002]WO 2012/009145 A2 [0002]
- DE 102013016798 A1 [0003]DE 102013016798 A1 [0003]
Claims (5)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102017006144.0A DE102017006144A1 (en) | 2017-06-29 | 2017-06-29 | Clamping device for reversibly tensioning and relaxing battery cells of a battery module for a battery of a motor vehicle, as well as a battery for a motor vehicle |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102017006144.0A DE102017006144A1 (en) | 2017-06-29 | 2017-06-29 | Clamping device for reversibly tensioning and relaxing battery cells of a battery module for a battery of a motor vehicle, as well as a battery for a motor vehicle |
Publications (1)
Publication Number | Publication Date |
---|---|
DE102017006144A1 true DE102017006144A1 (en) | 2019-01-03 |
Family
ID=64661599
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE102017006144.0A Withdrawn DE102017006144A1 (en) | 2017-06-29 | 2017-06-29 | Clamping device for reversibly tensioning and relaxing battery cells of a battery module for a battery of a motor vehicle, as well as a battery for a motor vehicle |
Country Status (1)
Country | Link |
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DE (1) | DE102017006144A1 (en) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2012009145A2 (en) | 2010-06-28 | 2012-01-19 | A123 Systems, Inc. | Battery module having retention band and method of assembly |
DE102013016798A1 (en) | 2013-10-10 | 2015-04-16 | Daimler Ag | Battery with a large number of individual battery cells |
-
2017
- 2017-06-29 DE DE102017006144.0A patent/DE102017006144A1/en not_active Withdrawn
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2012009145A2 (en) | 2010-06-28 | 2012-01-19 | A123 Systems, Inc. | Battery module having retention band and method of assembly |
DE102013016798A1 (en) | 2013-10-10 | 2015-04-16 | Daimler Ag | Battery with a large number of individual battery cells |
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