DE102011103984A1 - Cooling device for battery mounted in electric vehicle, has heat conducting plate which is electrically isolated from unit battery cells - Google Patents
Cooling device for battery mounted in electric vehicle, has heat conducting plate which is electrically isolated from unit battery cells Download PDFInfo
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- DE102011103984A1 DE102011103984A1 DE201110103984 DE102011103984A DE102011103984A1 DE 102011103984 A1 DE102011103984 A1 DE 102011103984A1 DE 201110103984 DE201110103984 DE 201110103984 DE 102011103984 A DE102011103984 A DE 102011103984A DE 102011103984 A1 DE102011103984 A1 DE 102011103984A1
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- Prior art keywords
- battery
- cooling device
- battery cells
- cooling
- 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
- H01M10/60—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
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/64—Heating or cooling; Temperature control characterised by the shape of the cells
- H01M10/643—Cylindrical cells
-
- 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
- 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
- H01M10/6555—Rods or plates arranged between the cells
-
- 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
- H01M10/6556—Solid parts with flow channel passages or pipes for heat exchange
-
- 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
- H01M10/6556—Solid parts with flow channel passages or pipes for heat exchange
- H01M10/6557—Solid parts with flow channel passages or pipes for heat exchange arranged between the cells
-
- 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
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Secondary Cells (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
Description
Die Erfindung betrifft eine Kühlvorrichtung für eine Batterie mit einer Mehrzahl von zylindrischen Batterieeinzelzellen nach der im Oberbegriff von Anspruch 1 näher definierten Art.The invention relates to a cooling device for a battery having a plurality of cylindrical battery individual cells according to the closer defined in the preamble of
Batterien, insbesondere Hochleistungs- oder Hochvoltbatterien, sind aus dem allgemeinen Stand der Technik bekannt. Sie werden häufig als Traktionsbatterien in zumindest teilweise elektrisch angetriebenen Fahrzeugen eingesetzt. Sie bestehen typischerweise aus einer Mehrzahl von Batterieeinzelzellen, welche beispielsweise seriell miteinander zu der Batterie oder zu einem Modul der Batterie verschaltet sind. Die Batterieeinzelzellen werden im Allgemeinen entweder zylindrisch oder prismatisch aufgebaut. Insbesondere beim Aufbau der Batterieeinzelzellen in zylindrischer Form stellt die Kühlung der Batterieeinzelzellen, zumindest beim Einsatz der hinsichtlich Speicherdichte derzeit optimalen Lithium-Ionen-Technologie, eine Herausforderung dar. Aufgrund der gerundeten Oberflächen der Batterieeinzelzellen ist die Anordnung an einen Wärmetauscher vergleichsweise aufwändig, sodass typischerweise sehr komplex ausgebildete Wärmetauscher notwendig sind, welche häufig den benötigten Bauraum für die Batterie entsprechend erhöhen, diese in der Montage aufwändig und in der Herstellung entsprechend teuer machen.Batteries, in particular high-performance or high-voltage batteries, are known from the general state of the art. They are often used as traction batteries in at least partially electrically powered vehicles. They typically consist of a plurality of individual battery cells, which are, for example, connected in series with one another to the battery or to a module of the battery. The battery cells are generally constructed either cylindrical or prismatic. In particular, in the construction of the battery cells in a cylindrical shape, the cooling of the battery cells, at least when using the storage density currently optimal lithium-ion technology, a challenge. Due to the rounded surfaces of the battery cells, the arrangement of a heat exchanger is relatively expensive, so typically very complex formed heat exchangers are necessary, which often increase the required space for the battery accordingly, make them expensive in the assembly and correspondingly expensive to manufacture.
Aus der
Ferner ist es aus der
Die Aufgabe der hier vorliegenden Erfindung liegt nun darin, eine Kühlvorrichtung für eine Batterie mit einer Mehrzahl von zylindrischen Batterieeinzelzellen zu schaffen, welche diese Nachteile vermeidet, und welche einen einfachen, kostengünstigen und sehr kompakten Aufbau für die Batterie ermöglicht.The object of the present invention is now to provide a cooling device for a battery having a plurality of cylindrical battery individual cells, which avoids these disadvantages, and which allows a simple, inexpensive and very compact structure for the battery.
Diese Aufgabe wird gemäß der Erfindung durch die Merkmale im kennzeichnenden Teil des Anspruchs 1 gelöst. Weitere vorteilhafte Ausgestaltungen der erfindungsgemäßen Losung ergeben sich aus den hiervon abhängigen Unteransprüchen.This object is achieved according to the invention by the features in the characterizing part of
Die erfindungsgemäße Losung nutzt wie der zuletzt beschriebene gattungsgemäße Stand der Technik ein gewelltes Wärmeleitblech. Dieses ist erfindungsgemäß elektrisch gegenüber den Batterieeinzelzellen isoliert ausgeführt und steht mit wenigstens einem von einem Kühlmedium durchströmten Leitungselement in thermischer Verbindung. Dieser Aufbau ermöglicht eine sehr kompakte Bauweise aufgrund des elektrisch isolierten Wärmeleitblechs, welches einfach und effizient zwischen die zylindrischen Batterieeinzelzellen eingelegt und vorzugsweise mit diesen verspannt werden kann. Das Wärmeleitblech steht dabei mit einem oder mehreren von Kühlmedium durchströmten Leitungselementen in direkter thermischer Verbindung. Damit lässt sich die Wärmeabfuhr beispielsweise durch eine einfache Regelung oder Steuerung des Volumenstroms an Kühlmedium in dem Leitungselement sehr gezielt steuern beziehungsweise regeln.The solution according to the invention uses like the last-described generic prior art, a corrugated Wärmeleitblech. This is inventively carried out electrically isolated from the battery cells and is in thermal communication with at least one of a cooling medium flowed through line member. This structure allows a very compact design due to the electrically insulated Wärmeleitblechs which can be easily and efficiently inserted between the cylindrical single battery cells and preferably clamped with these. The heat conducting plate is in direct thermal communication with one or more of the cooling medium flowed through line elements. Thus, the heat dissipation can be very selectively controlled or regulated, for example, by a simple control or control of the volume flow of cooling medium in the line element.
In einer vorteilhaften Weiterbildung der erfindungsgemäßen Kühlvorrichtung ist es ferner vorgesehen, dass das wenigstens eine Leitungselement an dem wenigstens einen Wärmeleitblech senkrecht oder winklig zu den Zylinderachsen der Batterieeinzelzellen angeordnet ist. Diese Anordnung senkrecht oder winklig, wobei unter winklig vorzugsweise ein Winkel um maximal ±45 Grad um die Senkrechte zu verstehen ist, ermöglicht die Anbindung des Leitungselements, beispielsweise formschlüssig oder stoffschlüssig insbesondere in einer Ebene, welche senkrecht oder um einen kleinen Winkel aus der Senkrechten geneigt zu der Achse der Batterieeinzelzellen angeordnet ist. Damit wird eine Anbindung insbesondere in den Endbereichen des Wärmeleitblechs jeweils in Axialrichtung der Batterieeinzelzellen gesehen möglich. Die Leitungselemente benötigen damit keinen Bauraum zwischen den Batterieeinzelzellen, sodass eine sehr kompakte Anordnung der Batterieeinzelzellen möglich ist.In an advantageous development of the cooling device according to the invention, provision is further made for the at least one line element to be arranged on the at least one heat conduction plate perpendicular or at an angle to the cylinder axes of the individual battery cells. This arrangement perpendicular or angled, wherein at an angle preferably an angle is to be understood by a maximum of ± 45 degrees to the vertical, allows the connection of the conduit element, for example positive or materially, in particular in a plane which perpendicular or at a small angle from the Vertical is arranged inclined to the axis of the battery individual cells. In this way, a connection is possible, in particular in the end regions of the heat conducting plate, in the axial direction of the individual battery cells. The line elements thus require no space between the battery individual cells, so that a very compact arrangement of the battery individual cells is possible.
In einer bevorzugten Weiterbildung der erfindungsgemäßen Kühlvorrichtung kann es vorgesehen sein, dass das wenigstens eine Wärmeleitblech aus mehreren miteinander verbundenen welligen Abschnitten ausgebildet ist, wobei sich jeder der Abschnitte entlang einer Reihe oder zwischen zwei Reihen von zylindrischen Batterieeinzelzellen erstreckt. Dieser Aufbau ermöglicht die Realisierung einer sehr kompakten Batterie mit der erfindungsgemäßen Kühlvorrichtung.In a preferred embodiment of the cooling device according to the invention, it can be provided that the at least one heat conduction plate is formed from a plurality of interconnected wavy sections, each of the sections extending along a row or between two rows of cylindrical battery cells. This construction makes it possible to realize a very compact battery with the cooling device according to the invention.
In einer sehr vorteilhaften Weiterbildung hiervon ist es ferner vorgesehen, dass die Batterie genau ein Wärmeleitblech aufweist und mit diesem senkrecht zu den Achsen der Batterieeinzelzellen zu einer Einheit verspannt ist. Ein solcher Aufbau mit einem einzigen Wärmeleitblech, welches in sich gewellt ist und sich mäanderförmig durch mehrere Reihen von Batterieeinzelzellen erstreckt, ist besonders kompakt und effizient in der Kühlung, da vergleichsweise große Anlageflächen des Wärmeleitblechs an den Batterieeinzelzellen erzielt werden, und da durch die thermische Verbindung aller Batterieeinzelzellen miteinander durch das wellenförmige Wärmeleitblech ein Temperaturausgleich zwischen allen oder zumindest den in einem Bereich des Zellblocks angeordneten Batterieeinzelzellen erzielt wird. Die Temperierung kann damit sehr homogen erfolgen, was die Lebensdauer der Batterieeinzelzellen erhöht. Das Wärmeleitblech kann dann senkrecht zu den Achsen der Batterieeinzelzellen beispielsweise in einem Gehäuse oder auf einer Trägerplatte zu einer kompakten Einheit mit den Batterieeinzelzellen verspannt werden. Durch dieses Verspannen wird bei einem Wärmeleitblech, welches in der Lage ist, sich elastisch geringfügig zu verformen, eine ideale Anlage des Wärmeleitblechs an den Batterieeinzelzellen erzielt, sodass ein sehr guter Wärmeübergang möglich ist.In a very advantageous development thereof, it is further provided that the battery has exactly one heat conduction plate and is braced with this perpendicular to the axes of the battery cells to a single unit. Such a structure with a single Wärmeleitblech, which is wavy in itself and meandering through a plurality of rows of battery cells, is particularly compact and efficient in the cooling, since comparatively large contact surfaces of the Wärmeleitblechs be achieved at the battery cells, and there by the thermal connection all individual battery cells by the wave-shaped heat conducting a temperature compensation between all or at least arranged in a region of the cell block battery cells is achieved. The tempering can thus be very homogeneous, which increases the life of the battery cells. The Wärmeleitblech can then be braced perpendicular to the axes of the battery cells, for example, in a housing or on a support plate to a compact unit with the battery cells. As a result of this bracing, in the case of a heat conduction plate which is able to elastically deform slightly, an ideal installation of the heat conducting plate on the battery individual cells is achieved, so that a very good heat transfer is possible.
Weitere vorteilhafte Ausgestaltungen der erfindungsgemäßen Kühlvorrichtung ergeben sich aus den restlichen abhängigen Unteransprüchen und werden anhand des Ausführungsbeispiels deutlich, welches nachfolgend unter Bezugnahme auf die Figuren näher beschrieben ist.Further advantageous embodiments of the cooling device according to the invention will become apparent from the remaining dependent claims and will be apparent from the embodiment, which is described below with reference to the figures.
Dabei zeigen:Showing:
In der Darstellung der
In der Darstellung der
In der Darstellung der
Dieser Aufbau mit dem mäanderförmigen Wärmeleitblech
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 2009/033578 A2 [0003] WO 2009/033578 A2 [0003]
- US 200310017383 A1 [0004] US 200310017383 A1 [0004]
Claims (10)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE201110103984 DE102011103984A1 (en) | 2011-06-10 | 2011-06-10 | Cooling device for battery mounted in electric vehicle, has heat conducting plate which is electrically isolated from unit battery cells |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE201110103984 DE102011103984A1 (en) | 2011-06-10 | 2011-06-10 | Cooling device for battery mounted in electric vehicle, has heat conducting plate which is electrically isolated from unit battery cells |
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DE102011103984A1 true DE102011103984A1 (en) | 2012-12-13 |
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DE201110103984 Withdrawn DE102011103984A1 (en) | 2011-06-10 | 2011-06-10 | Cooling device for battery mounted in electric vehicle, has heat conducting plate which is electrically isolated from unit battery cells |
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Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102014203846A1 (en) * | 2014-03-03 | 2015-09-03 | MAHLE Behr GmbH & Co. KG | Arrangement with an electrical component and a heat exchanger |
WO2016087088A1 (en) * | 2014-12-04 | 2016-06-09 | Robert Bosch Gmbh | Battery featuring improved heat dissipation |
WO2020033928A1 (en) * | 2018-08-09 | 2020-02-13 | Tiveni MergeCo Inc. | Battery module with foil arranged between battery cells |
CZ308251B6 (en) * | 2018-07-03 | 2020-03-25 | Vysoké Učení Technické V Brně | Battery with cell temperature control |
WO2021209187A1 (en) * | 2020-04-17 | 2021-10-21 | Bayerische Motoren Werke Aktiengesellschaft | Energy storage device, motor vehicle and cooling plate assembly |
WO2021245028A1 (en) * | 2020-06-04 | 2021-12-09 | Robert Bosch Gmbh | Battery module and use of a battery module of this kind |
WO2022253518A1 (en) * | 2021-06-01 | 2022-12-08 | Bayerische Motoren Werke Aktiengesellschaft | Method for producing an energy store, energy store and device |
EP4316681A1 (en) * | 2022-08-04 | 2024-02-07 | MAHLE International GmbH | Method for producing a corrugated flat tube made of metal |
WO2024069361A1 (en) * | 2022-09-30 | 2024-04-04 | Bombardier Recreational Products Inc. | Battery pack for an electric vehicle |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20030017383A1 (en) | 2000-04-14 | 2003-01-23 | Hironori Ura | Battery pack |
WO2009033578A2 (en) | 2007-09-11 | 2009-03-19 | Daimler Ag | Heat exchanger unit and electrochemical energy accumulator comprising a heat exchanger unit |
-
2011
- 2011-06-10 DE DE201110103984 patent/DE102011103984A1/en not_active Withdrawn
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20030017383A1 (en) | 2000-04-14 | 2003-01-23 | Hironori Ura | Battery pack |
WO2009033578A2 (en) | 2007-09-11 | 2009-03-19 | Daimler Ag | Heat exchanger unit and electrochemical energy accumulator comprising a heat exchanger unit |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102014203846A1 (en) * | 2014-03-03 | 2015-09-03 | MAHLE Behr GmbH & Co. KG | Arrangement with an electrical component and a heat exchanger |
US10153525B2 (en) | 2014-03-03 | 2018-12-11 | MAHLE Behr GmbH & Co. KG | Arrangement having an electrical component and a heat exchanger |
WO2016087088A1 (en) * | 2014-12-04 | 2016-06-09 | Robert Bosch Gmbh | Battery featuring improved heat dissipation |
CZ308251B6 (en) * | 2018-07-03 | 2020-03-25 | Vysoké Učení Technické V Brně | Battery with cell temperature control |
WO2020033928A1 (en) * | 2018-08-09 | 2020-02-13 | Tiveni MergeCo Inc. | Battery module with foil arranged between battery cells |
WO2021209187A1 (en) * | 2020-04-17 | 2021-10-21 | Bayerische Motoren Werke Aktiengesellschaft | Energy storage device, motor vehicle and cooling plate assembly |
WO2021245028A1 (en) * | 2020-06-04 | 2021-12-09 | Robert Bosch Gmbh | Battery module and use of a battery module of this kind |
WO2022253518A1 (en) * | 2021-06-01 | 2022-12-08 | Bayerische Motoren Werke Aktiengesellschaft | Method for producing an energy store, energy store and device |
EP4316681A1 (en) * | 2022-08-04 | 2024-02-07 | MAHLE International GmbH | Method for producing a corrugated flat tube made of metal |
WO2024069361A1 (en) * | 2022-09-30 | 2024-04-04 | Bombardier Recreational Products Inc. | Battery pack for an electric vehicle |
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Free format text: PREVIOUS MAIN CLASS: H01M0010500000 Ipc: H01M0010650000 Effective date: 20131212 |
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