DE102012018113A1 - Battery e.g. high-power or high-voltage batteries has cooling device and intermediate frame that are connected with output conductor of individual battery cells - Google Patents
Battery e.g. high-power or high-voltage batteries has cooling device and intermediate frame that are connected with output conductor of individual battery cells Download PDFInfo
- Publication number
- DE102012018113A1 DE102012018113A1 DE201210018113 DE102012018113A DE102012018113A1 DE 102012018113 A1 DE102012018113 A1 DE 102012018113A1 DE 201210018113 DE201210018113 DE 201210018113 DE 102012018113 A DE102012018113 A DE 102012018113A DE 102012018113 A1 DE102012018113 A1 DE 102012018113A1
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- Prior art keywords
- battery
- lugs
- arrester
- cells
- cooling device
- Prior art date
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- Granted
Links
- 238000001816 cooling Methods 0.000 title claims abstract description 29
- 239000004020 conductor Substances 0.000 title claims abstract description 5
- 239000011888 foil Substances 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 3
- 239000012777 electrically insulating material Substances 0.000 claims 1
- 238000010276 construction Methods 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229910001416 lithium ion Inorganic materials 0.000 description 2
- 238000003825 pressing Methods 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
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
Images
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
- H01M10/42—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
- 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
- H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery 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
- H01M10/60—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
- H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
- H01M10/625—Vehicles
-
- 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
- H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
- H01M50/503—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing characterised by the shape of the interconnectors
-
- 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
- H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
- H01M50/514—Methods for interconnecting adjacent batteries or cells
- H01M50/516—Methods for interconnecting adjacent batteries or cells by welding, soldering or brazing
-
- 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)
- Microelectronics & Electronic Packaging (AREA)
- Connection Of Batteries Or Terminals (AREA)
- Secondary Cells (AREA)
Abstract
Description
Die Erfindung betrifft eine Batterie aus einer Vielzahl von im Wesentlichen prismatischen Batterieeinzelzellen nach der im Oberbegriff von Anspruch 1 näher definierten Art.The invention relates to a battery of a plurality of substantially prismatic battery individual cells according to the closer defined in the preamble of
Batterien, welche sich aus einer Vielzahl von Batterieeinzelzellen aufbauen, sind aus dem Stand der Technik bekannt. Insbesondere Hochleistungs- oder Hochvoltbatterien, wie sie beispielsweise als Traktionsbatterien in zumindest teilweise elektrisch angetriebenen Fahrzeugen eingesetzt werden, haben typischerweise einen derartigen Aufbau. Die Batterieeinzelzellen sind dabei häufig prismatisch ausgebildet und werden zu einem Stapel aufgestapelt. Die Batterieeinzelzellen können in verschiedenen Technologien realisiert sein, wobei für die Anwendung als Traktionsbatterien insbesondere die Lithium-Ionen-Technologie von großem Interesse ist.Batteries which are composed of a plurality of individual battery cells are known from the prior art. In particular, high-performance or high-voltage batteries, as used for example as traction batteries in at least partially electrically powered vehicles, typically have such a structure. The battery cells are often prismatic and are stacked to form a stack. The battery individual cells can be realized in various technologies, with lithium-ion technology being of particular interest for use as traction batteries.
Aus der
Aus dem weiteren allgemeinen Stand der Technik ist es nun ferner bekannt, dass Batterieeinzelzellen in Hochleistungs- bzw. Hochvoltbatterien beim Laden und Entladen eine große Abwärme entwickeln und daher gekühlt und in speziellen Situationen, beispielsweise bei einem Start unter sehr niedrigen Umgebungstemperaturen, auch erwärmt werden müssen. Für eine solche Heizung oder Kühlung kann dabei insbesondere eine Kühleinrichtung vorgesehen sein, welche von einem entsprechend temperierten Gas und/oder einer speziell temperierten Flüssigkeit durchströmt wird, um die Zellen im Normalfall zu kühlen und unter besonderen Betriebsbedingungen gegebenenfalls auch zu erwärmen.From the further general state of the art it is now also known that individual battery cells in high-performance or high-voltage batteries develop a large waste heat during charging and discharging and therefore have to be cooled and in special situations, for example when starting under very low ambient temperatures, also have to be heated , For such a heating or cooling can be provided in particular a cooling device, which is flowed through by a suitably tempered gas and / or a specially tempered liquid to cool the cells under normal circumstances and possibly to heat under special operating conditions.
Um eine besonders effiziente Kühlung zu realisieren, ist es insbesondere aus der
Die Aufgabe der hier vorliegenden Erfindung besteht nun darin, eine Batterie mit einer Vielzahl von Batterieeinzelzellen anzugeben, welche diese Nachteile vermeidet und einen einfachen Aufbau der Batterie gewährleistet.The object of the present invention is now to provide a battery with a plurality of individual battery cells, which avoids these disadvantages and ensures a simple construction of the battery.
Erfindungsgemäß wird diese Aufgabe durch eine Batterie mit den Merkmalen im kennzeichnenden Teil des Anspruchs 1 gelöst. Vorteilhafte Weiterbildungen und Ausgestaltungen der erfindungsgemäßen Batterie ergeben sich aus den abhängigen Unteransprüchen.According to the invention this object is achieved by a battery having the features in the characterizing part of
Die erfindungsgemäße Lösung sieht es vor, dass die Niedervoltanschlusselemente in Form von Kontaktfahnen ausgebildet sind, welche zwischen der Kühleinrichtung und dem Zwischenrahmen mit den verbundenen Ableiterfahnen der Batterieeinzelzellen verbunden ist. Eine solche Ausgestaltung der Niedervoltanschlüsse für die Batterieelektronik in Form von Kontaktfahnen, welche zwischen der Kühleinrichtung und den verbundenen Ableiterfahnen mit diesen verbunden sind, ist besonders einfach und effizient im Aufbau. Die verbundenen Ableiterfahnen werden mit der Batterieelektronik bzw. der mit den Kontaktfahnen verbundenen Platine, welche die Batterieelektronik aufweist oder welche mit dieser verbunden ist, in Kontakt gebracht. Dies kann beispielsweise durch ein Verpressen der verbundenen Ableiterfahnen und der Kontaktfahnen durch die Kühleinrichtung erfolgen. Insbesondere können diese drei Teilelemente auch untereinander verschweißt ausgebildet sein, was vorzugsweise bei der Herstellung in einem einzigen Schritt erfolgt. Die Niedervoltanschlüsse werden so einfach und effizient, ohne den Aufbau der Batterie insgesamt zu stören, modifizierte Zwischenrahmen zu benötigen und bei der Montage einen übermäßigen Aufwand zu verursachen, direkt mit den Batterieeinzelzellen verbunden.The solution according to the invention provides that the low-voltage connection elements are designed in the form of contact lugs, which is connected between the cooling device and the intermediate frame with the connected discharge lugs of the battery individual cells. Such an embodiment of the low-voltage terminals for the battery electronics in the form of contact lugs, which are connected between the cooling device and the associated Ableiterfahnen with these, is particularly simple and efficient in construction. The connected arrester lugs are brought into contact with the battery electronics or the board connected to the contact lugs, which has or is connected to the battery electronics. This can be achieved, for example, by pressing the connected Ableiterfahnen and the contact lugs made by the cooling device. In particular, these three sub-elements can also be welded together, which preferably takes place in the production in a single step. The low-voltage connections are so simple and efficient, without disturbing the construction of the battery as a whole, to require modified intermediate frame and to cause an excessive effort during assembly, connected directly to the battery cells.
Vorzugsweise kann es dabei vorgesehen sein, dass wenigstens eine der Ableiterfahnen und/oder ein elektrisches Verbindungselement, welches die Ableiterfahnen untereinander verbindet, eine Ausnahme für die Kontaktfahne aufweist. Über eine solche Ausnahme, beispielsweise eine eingeprägte Vertiefung oder eine Ausklinkung in einer von zwei sich überlappenden Ableiterfahnen, kann Platz für die Kontaktfahne geschaffen werden, insbesondere wenn diese eine vergleichbare Materialstärke aufweist wie die Tiefe der Ausnehmung. Ohne dass die Kontaktfahne über die verbundenen Ableiterfahnen und/oder deren elektrisches Verbindungselement wesentlich übersteht, kann dann einfach die Kühleinrichtung aufgebracht und mit den verbundenen Ableiterfahnen in an sich bekannter Art und Weise mit dazwischen angeordneter Wärmeleitfolie verpresst werden.Preferably, it can be provided that at least one of the Ableitfahnen and / or an electrical connection element which connects the Ableiterfahnen with each other, an exception for the contact lug. About such an exception, such as an embossed depression or a notch in one of two overlapping Ableiterfahnen, space for the contact lug can be created, especially if it has a comparable material thickness as the depth of the recess. Without substantially overhanging the contact lug via the connected collector lugs and / or their electrical connection element, the cooling device can then simply be applied and pressed together with the connected collector lugs in a manner known per se with heat-conducting foil arranged therebetween.
In einer weiteren sehr günstigen Ausgestaltung der erfindungsgemäßen Batterie kann es außerdem vorgesehen sein, dass die Ableiterfahnen in Stapelrichtung abgekantet ausgebildet sind, wobei der Stapel der Batterieeinzelzellen zwei Reihen von verbundenen Ableiterfahnen aufweist, zwischen welchen die Platine angeordnet ist. Ein solcher Aufbau, bei dem die Platine zwischen zwei Reihen von Ableiterfahnen angeordnet ist, ist besonders einfach und effizient in der Herstellung. Auf jede der Ableiterfahnen kann dann gemäß einer vorteilhaften Weiterbildung der erfindungsgemäßen Batterie eine eigene Kühleinrichtung aufgebracht werden, wobei die Kontaktfahnen die Platine zwischen der Kühleinrichtung und den miteinander verbundenen Ableiterfahnen kontaktieren und eine Niedervoltverbindung zur Platine herstellen. Die Platine kann dann entweder selbst die Batterieelektronik aufweisen oder beispielsweise über Kabel oder dergleichen mit einer solchen Batterieelektronik verbunden sein.In a further very advantageous embodiment of the battery according to the invention, it can also be provided that the Ableiterfahnen are formed folded in the stacking direction, the stack of battery cells has two rows of connected Ableiterfahnen, between which the board is arranged. Such a construction, in which the board is arranged between two rows of discharge lugs, is particularly simple and efficient to manufacture. According to an advantageous development of the battery according to the invention, a separate cooling device can then be applied to each of the discharge lugs, the contact lugs contacting the circuit board between the cooling device and the interconnected discharge lugs and producing a low-voltage connection to the circuit board. The board can then either itself have the battery electronics or be connected for example via cable or the like with such a battery electronics.
Weitere vorteilhafte Ausgestaltungen der erfindungsgemäßen Batterie ergeben sich aus den restlichen Unteransprüchen und werden anhand der Ausführungsbeispiele deutlich, welche nachfolgend unter Bezugnahme auf die Figuren näher beschrieben sind.Further advantageous embodiments of the battery according to the invention will become apparent from the remaining dependent claims and will be apparent from the embodiments, which are described below with reference to the figures.
Dabei zeigen:Showing:
In der Darstellung der
In einer Darstellung, welche lediglich zwei der Batterieeinzelzellen
Aus der Darstellung der
In
Eine alternative Ausführungsform des Stapels
Aus der Darstellung von zwei Batterieeinzelzellen
In der Darstellung der
Der Aufbau, wie er in der Explosionsdarstellung der
Abschließend ist auch hier in der Darstellung der
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
- EP 2228850 A2 [0003] EP 2228850 A2 [0003]
- DE 102008034867 A1 [0005] DE 102008034867 A1 [0005]
Claims (10)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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DE102012018113.2A DE102012018113B4 (en) | 2012-09-13 | 2012-09-13 | Battery made up of a large number of individual battery cells |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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DE102012018113.2A DE102012018113B4 (en) | 2012-09-13 | 2012-09-13 | Battery made up of a large number of individual battery cells |
Publications (2)
Publication Number | Publication Date |
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DE102012018113A1 true DE102012018113A1 (en) | 2014-03-13 |
DE102012018113B4 DE102012018113B4 (en) | 2023-05-04 |
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DE102012018113.2A Active DE102012018113B4 (en) | 2012-09-13 | 2012-09-13 | Battery made up of a large number of individual battery cells |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105895961A (en) * | 2016-04-11 | 2016-08-24 | 湖南中大安孚新能源技术有限公司 | Series formation and compression device for power lithium batteries |
DE102016205270A1 (en) | 2016-03-31 | 2017-10-05 | Robert Bosch Gmbh | battery module |
CN107611475A (en) * | 2017-09-26 | 2018-01-19 | 湖南海博瑞德电智控制技术有限公司 | Soft package power lithium ion battery module and its assemble method |
DE102016218272A1 (en) | 2016-09-22 | 2018-03-22 | Robert Bosch Gmbh | Battery module with heat-dissipating, electrical contacts and fast charging process for the battery module |
DE102018104935A1 (en) | 2018-03-05 | 2019-09-05 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Cooling for battery-integrated power electronics |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102008034867A1 (en) | 2008-07-26 | 2010-01-28 | Daimler Ag | Battery i.e. lithium ion battery, for vehicle e.g. vehicle with hybrid drive, has conductor rims that are thermally coupled at cooling plate by poles of individual cells which are formed as flat cells |
EP2228850A2 (en) | 2009-01-07 | 2010-09-15 | Mitsubishi Jidosha Kogyo Kabushiki Kaisha | Secondary battery module |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6146778A (en) | 1997-07-25 | 2000-11-14 | 3M Innovative Properties Company | Solid-state energy storage module employing integrated interconnect board |
KR101174045B1 (en) | 2010-09-29 | 2012-08-16 | 주식회사 명신이엔지 | Battery pack and battery pack assembly having the same |
-
2012
- 2012-09-13 DE DE102012018113.2A patent/DE102012018113B4/en active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102008034867A1 (en) | 2008-07-26 | 2010-01-28 | Daimler Ag | Battery i.e. lithium ion battery, for vehicle e.g. vehicle with hybrid drive, has conductor rims that are thermally coupled at cooling plate by poles of individual cells which are formed as flat cells |
EP2228850A2 (en) | 2009-01-07 | 2010-09-15 | Mitsubishi Jidosha Kogyo Kabushiki Kaisha | Secondary battery module |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102016205270A1 (en) | 2016-03-31 | 2017-10-05 | Robert Bosch Gmbh | battery module |
CN105895961A (en) * | 2016-04-11 | 2016-08-24 | 湖南中大安孚新能源技术有限公司 | Series formation and compression device for power lithium batteries |
DE102016218272A1 (en) | 2016-09-22 | 2018-03-22 | Robert Bosch Gmbh | Battery module with heat-dissipating, electrical contacts and fast charging process for the battery module |
CN107611475A (en) * | 2017-09-26 | 2018-01-19 | 湖南海博瑞德电智控制技术有限公司 | Soft package power lithium ion battery module and its assemble method |
CN107611475B (en) * | 2017-09-26 | 2024-05-24 | 湖南海博瑞德电智控制技术有限公司 | Soft package power lithium ion battery module and assembling method thereof |
DE102018104935A1 (en) | 2018-03-05 | 2019-09-05 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Cooling for battery-integrated power electronics |
US11094970B2 (en) | 2018-03-05 | 2021-08-17 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Cooling for battery-integrated power electronics system |
DE102018104935B4 (en) | 2018-03-05 | 2023-02-09 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Method, system and battery module for cooling power electronics contacted by spring action |
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DE102012018113B4 (en) | 2023-05-04 |
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