DE102013203799A1 - Battery cell housing with integrated electronics - Google Patents
Battery cell housing with integrated electronics Download PDFInfo
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- DE102013203799A1 DE102013203799A1 DE201310203799 DE102013203799A DE102013203799A1 DE 102013203799 A1 DE102013203799 A1 DE 102013203799A1 DE 201310203799 DE201310203799 DE 201310203799 DE 102013203799 A DE102013203799 A DE 102013203799A DE 102013203799 A1 DE102013203799 A1 DE 102013203799A1
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- battery cell
- battery
- housing
- monitoring electronics
- electronics
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- 238000012544 monitoring process Methods 0.000 claims abstract description 44
- 239000010949 copper Substances 0.000 claims description 9
- 229910052751 metal Inorganic materials 0.000 claims description 8
- 239000002184 metal Substances 0.000 claims description 8
- 239000000758 substrate Substances 0.000 claims description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 238000001514 detection method Methods 0.000 description 9
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 6
- 229910001416 lithium ion Inorganic materials 0.000 description 6
- 238000005259 measurement Methods 0.000 description 5
- 229910052782 aluminium Inorganic materials 0.000 description 4
- 230000032683 aging Effects 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000012806 monitoring device Methods 0.000 description 3
- 239000010935 stainless steel Substances 0.000 description 3
- 229910001220 stainless steel Inorganic materials 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- BUHVIAUBTBOHAG-FOYDDCNASA-N (2r,3r,4s,5r)-2-[6-[[2-(3,5-dimethoxyphenyl)-2-(2-methylphenyl)ethyl]amino]purin-9-yl]-5-(hydroxymethyl)oxolane-3,4-diol Chemical compound COC1=CC(OC)=CC(C(CNC=2C=3N=CN(C=3N=CN=2)[C@H]2[C@@H]([C@H](O)[C@@H](CO)O2)O)C=2C(=CC=CC=2)C)=C1 BUHVIAUBTBOHAG-FOYDDCNASA-N 0.000 description 1
- 229910018182 Al—Cu Inorganic materials 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical compound [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
Images
Classifications
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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
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
- H01M10/4257—Smart batteries, e.g. electronic circuits inside the housing of the cells or 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
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
-
- 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
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
- H01M10/486—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte for measuring temperature
-
- 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
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/102—Primary casings; Jackets or wrappings characterised by their shape or physical structure
- H01M50/103—Primary casings; Jackets or wrappings characterised by their shape or physical structure prismatic or rectangular
-
- 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
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/03—Use of materials for the substrate
- H05K1/05—Insulated conductive substrates, e.g. insulated metal substrate
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Battery Mounting, Suspending (AREA)
- Secondary Cells (AREA)
Abstract
Die Erfindung bezieht sich auf eine Batteriezelle (10) mit einem Gehäuse (12) und einem Deckel (14). Auf dem Deckel (14) befindet sich ein Plus-Terminal (16) und ein Minus-Terminal (18). Eine Überwachungselektronik (50) ist unmittelbar auf Gehäuseseiten (62, 64) oder dem Deckel (14) der Batteriezelle (10) aufgebracht.The invention relates to a battery cell (10) with a housing (12) and a cover (14). There is a plus terminal (16) and a minus terminal (18) on the cover (14). Monitoring electronics (50) are applied directly to the housing sides (62, 64) or the cover (14) of the battery cell (10).
Description
Stand der TechnikState of the art
Bei stationären Anlagen, wie zum Beispiel Windkraftanlagen oder auch bei Fahrzeugen, seien es Elektrofahrzeuge, seien es Hybridfahrzeuge, kommen heute Batteriesysteme zum Einsatz, insbesondere Lithium-Ionenbatterien. Lithium-Ionen-Batteriezellen, die zu einzelnen Batteriemodulen eines Batteriepacks für ein Elektrofahrzeug oder auch für ein Hybridfahrzeug zusammengefasst sind, sind sehr empfindlich gegenüber einem Eindringen von Feuchtigkeit. Aufgrund der geforderten Lebensdauer von mehr als zehn Jahren werden für Lithium-Ionen-Batteriezellen „Hard-Case-Zellen“ favorisiert. Bei „Hard-Case-Gehäusen“ handelt es sich um Gehäuse für Batteriezellen die aus einem dosenförmigen Teil und einem Deckel gefertigt sind. Der dosenförmige Teil des Batteriegehäuses weist eine Wandstärke in der Größenordnung von 0,4 mm bis 1,5 mm auf. Die Wandstärke ist dabei unter anderem abhängig vom verwendeten Material. In stationary systems, such as wind turbines or in vehicles, it is electric vehicles, be it hybrid vehicles, today battery systems are used, especially lithium-ion batteries. Lithium-ion battery cells, which are combined into individual battery modules of a battery pack for an electric vehicle or for a hybrid vehicle, are very sensitive to the penetration of moisture. Due to the required service life of more than ten years, lithium-ion battery cells favor "hard-case cells". "Hard case enclosures" are housings for battery cells which are made of a can-shaped part and a lid. The can-shaped part of the battery housing has a wall thickness in the order of 0.4 mm to 1.5 mm. The wall thickness depends, among other things, on the material used.
Als Materialien kommen heutzutage vorwiegend Aluminium und Edelstahl in Frage. Edelstahlgehäuse können tendenziell in einer geringeren Wandstärke ausgebildet werden. Die deckelförmigen Teile der Batteriegehäuse weisen heutzutage eine Dicke auf, die im Bereich zwischen 0,6 mm bis 2,0 mm liegt. Bei der Fertigung der jeweiligen Batteriezelle werden der dosenförmige Teil und der deckelförmige Teil miteinander gefügt, vorzugsweise miteinander stoffschlüssig verbunden, z.B. verschweißt.The materials used today are predominantly aluminum and stainless steel. Stainless steel housing can tend to be formed in a smaller wall thickness. The lid-shaped parts of the battery case nowadays have a thickness which is in the range between 0.6 mm to 2.0 mm. In the manufacture of the respective battery cell, the can-shaped part and the lid-shaped part are joined together, preferably connected together in a material-locking manner, e.g. welded.
Um Lithium-Ionen-Batteriezellen, beziehungsweise aus diesen zusammengefasste Batteriepacks sicher betreiben zu können, werden heute Batteriemanagementsysteme eingesetzt. Ein Batteriemanagementsystem hat die Aufgabe, ein Überladen oder ein Tiefentladen der einzelnen Batteriezellen zu verhindern, ferner hat das Batteriemanagementsystem die Aufgabe, eine Belastung der einzelnen Batteriezellen mit unzulässig hohen Lade- beziehungsweise Entladeströmen zu vermeiden. Für Batteriesysteme, die bei Elektrofahrzeugen oder bei Hybridfahrzeugen zum Einsatz kommen sollen, sind aufgrund der großen Anzahl an Batteriezellen, die in Batteriepacks verbaut werden, komplexe Elektroniken zur Realisierung des Batteriemanagements erforderlich. Eine Überwachungselektronik eines Batteriemanagementsystems zur Anwendung bei Elektrofahrzeugen oder bei Hybridfahrzeugen wird entweder in der Nähe der zugehörigen, d.h. der zu überwachenden Batteriezellen an dezentraler Stelle platziert, oder die gesamte Elektronik wird durch eine zentrale Elektronikeinheit dargestellt. In order to operate lithium-ion battery cells, or from these combined battery packs safely, battery management systems are used today. A battery management system has the task of preventing overcharging or over-discharging of the individual battery cells, furthermore, the battery management system has the task of avoiding a load on the individual battery cells with inadmissibly high charging or discharging currents. For battery systems, which are to be used in electric vehicles or in hybrid vehicles, complex electronics are required to realize the battery management due to the large number of battery cells, which are installed in battery packs. A monitoring electronics of a battery management system for use in electric vehicles or in hybrid vehicles is either in the vicinity of the associated, i. the battery cells to be monitored placed at a decentralized location, or the entire electronics is represented by a central electronic unit.
Darstellung der ErfindungPresentation of the invention
Erfindungsgemäß wird vorgeschlagen, die Überwachungselektronik thermisch gut leitend direkt auf das Gehäuse der zu überwachenden Batteriezelle aufzubringen. Die erfindungsgemäß vorgeschlagene Überwachungselektronik ist in Form einer Leiterplatte ausgebildet, wobei es sich um eine „Metal-Core-Printed-Circuit-Board (MCPCB) handelt. Dabei handelt es sich in der Regel um einen Schichtaufbau aus einem Leiterplättchen, welches eine dünne dielektrische Schicht umfasst, meist ein elektrisch isolierender aber thermisch gut leitfähiger Kleber sowie ein Metallsubstrat aus Aluminium oder Kupfer oder dergleichen enthält. Diese Ausführungsform der Überwachungselektronik hat den Vorteil, dass im Vergleich zu Standardleiterplatten sehr geringe thermische Übergangswiderstände realisiert werden können. Dadurch besteht die Möglichkeit, eine derartige Überwachungselektronik zum Überwachen von Batteriezellen einzusetzen, wobei die elektronischen Bauelemente mit größeren Verlustleistungen betrieben werden oder bei denen die Leistungsfähigkeit der eingesetzten Bauelemente mit zunehmender Temperatur zurückgeht. According to the invention, the monitoring electronics are applied with good thermal conductivity directly onto the housing of the battery cell to be monitored. The inventively proposed monitoring electronics is designed in the form of a printed circuit board, which is a "Metal Core Printed Circuit Board (MCPCB). This is usually a layer structure of a printed circuit board, which comprises a thin dielectric layer, usually contains an electrically insulating but thermally highly conductive adhesive and a metal substrate made of aluminum or copper or the like. This embodiment of the monitoring electronics has the advantage that in comparison to standard printed circuit boards very low thermal contact resistance can be realized. This makes it possible to use such monitoring electronics for monitoring battery cells, wherein the electronic components are operated with greater power losses or in which the performance of the components used decreases with increasing temperature.
Die vorgeschlagene Überwachungselektronik wird bevorzugt seitlich am Gehäuse, insbesondere an einer kurzen seitlichen Gehäuseseite aufgebracht. Werden derartige Batteriezellen zu einem Batteriemodul verbaut, liegen derartige Batteriezellen in der Regel über die großflächige Stirnseite aneinander an und bilden einen Pressverband. Derartig konfigurierte Batteriemodule werden insbesondere dann eingesetzt, wenn die Batteriezellen zur Erhöhung ihrer Lebensdauer durch mechanische Verspannung daran gehindert sind, sich mechanisch bei Lade- und Entladevorgängen auszudehnen. The proposed monitoring electronics are preferably applied laterally on the housing, in particular on a short side of the housing. If such battery cells are installed to form a battery module, such battery cells generally lie against each other over the large-area front side and form a press fit. Such configured battery modules are used in particular when the battery cells to increase their life by mechanical tension prevented from expanding mechanically during loading and unloading operations.
Die erfindungsgemäß vorgeschlagene Überwachungselektronik kann dagegen auch auf der langen Seite, d.h. der Stirnseite der Batteriezellen aufgebracht werden, für den Fall, dass es sich um ein luftgekühltes Batteriemodul handelt. In diesem Falle werden die einzelnen Batteriezellen durch einen diese über- beziehungsweise durchstreichenden Luftstrom gekühlt. In diesem Falle werden die einzelnen Batteriezellen nicht gegeneinander in einem Pressverband angeordnet, sondern durch Abstandhalter auf Distanz zueinander gehalten, sodass der kühlende Luftstrom zwischen den einzelnen Batteriezellen durchtreten kann. By contrast, the monitoring electronics proposed according to the invention can also be used on the long side, i. the front side of the battery cells are applied, in the event that it is an air-cooled battery module. In this case, the individual battery cells are cooled by a flow of air passing over or through them. In this case, the individual battery cells are not arranged against each other in a press fit, but held by spacers at a distance from each other, so that the cooling air flow can pass between the individual battery cells.
Vorteile der ErfindungAdvantages of the invention
Mit der erfindungsgemäß vorgeschlagenen Lösung besteht die Möglichkeit, die Überwachungselektronik sehr nah, d.h. unmittelbar auf der zu überwachenden Einheit, d.h. im vorliegenden Falle auf dem Gehäuse der Batteriezelle aufzubringen. Dadurch kann die Temperatur der einzelnen Batteriezellen einerseits sehr genau und andererseits sehr kostengünstig erfasst werden. Desweiteren kann durch die erfindungsgemäß vorgeschlagene Überwachungselektronik eine separate mechanische Montage eingespart werden, da sie mit dem Gehäuse mechanisch sehr robust verbunden ist. Die erfindungsgemäß vorgeschlagene Überwachungselektronik kann direkt mit dem Gehäuse der Batteriezelle verbunden werden, sodass relevante Betriebsdaten, welche die Alterung einer Batteriezelle maßgeblich beeinflussen, aufgezeichnet werden können. Dies bietet zum einen Vorteil hinsichtlich der Gewährleistung, zum anderen können diese Informationen auch für ein späteres „zweites Leben“ der Batteriezelle genutzt werden. So kann zum Beispiel nach einem mehrjährigen Einsatz im Kraftfahrzeug ein und dieselbe Batteriezelle in Windkraftanlagen oder als stationärer Energiespeicher eingesetzt werden. Durch die erfindungsgemäß vorgeschlagene Lösung können unmittelbar Informationen gewonnen werden, welche Auskunft über den Batteriezustand geben. With the proposed solution according to the invention, it is possible, the monitoring electronics very close, i. directly on the unit to be monitored, i. apply in the present case on the housing of the battery cell. As a result, the temperature of the individual battery cells on the one hand can be detected very accurately and on the other hand very cost-effectively. Furthermore, a separate mechanical assembly can be saved by the inventively proposed monitoring electronics, since it is mechanically very robust connected to the housing. The inventively proposed monitoring electronics can be connected directly to the housing of the battery cell, so that relevant operating data, which significantly affect the aging of a battery cell, can be recorded. This offers an advantage in terms of warranty, on the other hand, this information can also be used for a later "second life" of the battery cell. For example, after several years of use in the motor vehicle, one and the same battery cell can be used in wind power plants or as stationary energy storage. By the proposed solution according to the invention information can be obtained directly which give information about the battery condition.
Die direkte Aufbringung der Überwachungselektronik auf dem Gehäuse der Batteriezelle hat den Vorteil, dass die Elektronik eine sehr gute, insbesondere flächige thermische Kopplung mit der Batteriezelle aufweist. Dadurch kann die Temperatur der Batteriezelle beziehungsweise die Temperatur des Gehäuses sehr genau und kostengünstig über eine Temperaturerfassung auf der Leiterplatte erfolgen. Dies stellt einen wesentlichen Vorteil zu heute eingesetzten Batteriemanagement-Elektroniken dar. Durch den Umstand, dass die Überwachungselektronik der Batteriezelle direkt bei der Herstellung der Batteriezelle dauerhaft mit der Batteriezelle verbunden wird, besteht die Möglichkeit, ein Monitoring wichtiger Betriebsparameter über die gesamte Lebensdauer der Batteriezelle mit der Überwachungselektronik durchzuführen. Dadurch besteht die Möglichkeit, wichtige Daten für eine Gewährleistung in der Elektronik aufzuzeichnen. Dies stellt einen entscheidenden Vorteil insbesondere vor dem Hintergrund dar, dass Fahrzeughersteller heute schon Gewährleistungszeiträume von zehn Jahren und mehr von den Batteriezellenherstellern fordern. The direct application of the monitoring electronics on the housing of the battery cell has the advantage that the electronics has a very good, especially areal thermal coupling with the battery cell. As a result, the temperature of the battery cell or the temperature of the housing can be very accurate and cost-effective via a temperature detection on the circuit board. This represents a significant advantage to battery management electronics used today. Due to the fact that the monitoring electronics of the battery cell is permanently connected directly to the battery cell during production of the battery cell, there is the possibility of monitoring important operating parameters over the entire service life of the battery cell to carry out the monitoring electronics. This provides the opportunity to record important data for a warranty in the electronics. This represents a decisive advantage, in particular against the background that vehicle manufacturers today already demand warranty periods of ten years and more from the battery cell manufacturers.
Die erfindungsgemäß vorgeschlagene Lösung kann ohne nennenswerte Änderungen aufs Gehäuse von Batteriezellen aufgebracht werden, seien es Edelstahlzellgehäuse oder seien es Aluminiumzellen.The solution proposed according to the invention can be applied to the housing of battery cells without significant changes, be it stainless steel cell housings or aluminum cells.
Kurze Beschreibung der ZeichnungenBrief description of the drawings
Anhand der Zeichnungen wird die Erfindung nachstehend eingehender beschrieben. With reference to the drawings, the invention will be described in more detail below.
Es zeigt: It shows:
Ausführungsvariantenvariants
Der Darstellung gemäß
Aus der schematischen Darstellung gemäß
Aus der Darstellung gemäß
Die Überwachungselektronik
Dieser Schichtaufbau der Überwachungselektronik
Den Darstellungen gemäß der
Aus
Bezugszeichen
Bei der in
Das direkte Verbauen der Überwachungselektronik
Durch die erfindungsgemäß vorgeschlagene Überwachungselektronik
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
- DE 102009035469 A1 [0004] DE 102009035469 A1 [0004]
- DE 10201010022908 A1 [0005] DE 10201010022908 A1 [0005]
Claims (8)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
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DE201310203799 DE102013203799A1 (en) | 2013-03-06 | 2013-03-06 | Battery cell housing with integrated electronics |
CN201410153591.6A CN104037467A (en) | 2013-03-06 | 2014-03-04 | Storage battery CELL HOUSING with integrated electronic device |
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DE201310203799 DE102013203799A1 (en) | 2013-03-06 | 2013-03-06 | Battery cell housing with integrated electronics |
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DE102013203799A1 true DE102013203799A1 (en) | 2014-09-11 |
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DE201310203799 Pending DE102013203799A1 (en) | 2013-03-06 | 2013-03-06 | Battery cell housing with integrated electronics |
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DE (1) | DE102013203799A1 (en) |
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CN102244980A (en) * | 2010-05-13 | 2011-11-16 | 台光电子材料股份有限公司 | Manufacturing method of metal substrate |
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2013
- 2013-03-06 DE DE201310203799 patent/DE102013203799A1/en active Pending
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2014
- 2014-03-04 CN CN201410153591.6A patent/CN104037467A/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
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DE69728234T2 (en) * | 1996-05-29 | 2005-03-10 | W.L. Gore & Associates, Inc., Newark | METHOD FOR PRODUCING INCREASED METALLIC CONTACTS ON ELECTRICAL CIRCUITS |
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US20040012396A1 (en) * | 2001-04-06 | 2004-01-22 | Microchip Technology Incorporated | Battery cover assembly having integrated battery condition monitoring |
DE102009012176A1 (en) * | 2009-02-27 | 2010-09-02 | Andreas Stihl Ag & Co. Kg | Battery pack with monitoring electronics integrated in the housing cover |
DE102009035469A1 (en) | 2009-07-31 | 2011-02-03 | Daimler Ag | Battery i.e. lithium ion battery, for use in e.g. hybrid drive vehicle, has single cells provided with set of contact units, and head-laterally cell monitoring device provided with another set of units with respect to former set of units |
US20120190252A1 (en) * | 2011-01-25 | 2012-07-26 | Pavlinsky Robert J | Rechargeable battery pack including low-resistance battery-pack interconnect |
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CN104037467A (en) | 2014-09-10 |
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