DE102010050992A1 - Cell composite for high voltage battery of e.g. mild hybrid vehicle, has tensioning unit electrically insulated relative to side walls by insulating element, which is formed by spacer, where spacer comprises sides - Google Patents
Cell composite for high voltage battery of e.g. mild hybrid vehicle, has tensioning unit electrically insulated relative to side walls by insulating element, which is formed by spacer, where spacer comprises sides Download PDFInfo
- Publication number
- DE102010050992A1 DE102010050992A1 DE201010050992 DE102010050992A DE102010050992A1 DE 102010050992 A1 DE102010050992 A1 DE 102010050992A1 DE 201010050992 DE201010050992 DE 201010050992 DE 102010050992 A DE102010050992 A DE 102010050992A DE 102010050992 A1 DE102010050992 A1 DE 102010050992A1
- Authority
- DE
- Germany
- Prior art keywords
- spacer
- insulating element
- cell
- side walls
- voltage battery
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
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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
- H01M10/04—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
- H01M50/289—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by spacing elements or positioning means within frames, racks or packs
- H01M50/293—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by spacing elements or positioning means within frames, racks or packs characterised by the material
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/04—Construction or manufacture in general
- H01M10/0413—Large-sized flat cells or batteries for motive or stationary systems with plate-like electrodes
-
- 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
- H01M10/647—Prismatic or flat cells, e.g. pouch 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
- H01M10/65—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
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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
- 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
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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
- 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
- H01M50/289—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by spacing elements or positioning means within frames, racks or packs
- H01M50/291—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by spacing elements or positioning means within frames, racks or packs characterised by their shape
-
- 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
Abstract
Description
Die Erfindung betrifft einen Zellenverbund für eine Batterie, insbesondere Hochvoltbatterie, mit wenigstens zwei Einzelzellen, welche jeweils zwei Seitenwände aus einem elektrisch leitfähigen Material umfassen. Die zwei Seitenwände einer Einzelzelle sind durch einen elektrisch isolierenden Abstandshalter auf Abstand zueinander gehalten und mittels wenigstens eines Spannmittels gegeneinander verspannt. Das wenigstens eine Spannmittel ist mittels eines Isolierelements gegenüber den Seitenwänden elektrisch isoliert.The invention relates to a cell assembly for a battery, in particular high-voltage battery, having at least two individual cells, each comprising two side walls made of an electrically conductive material. The two side walls of a single cell are held by an electrically insulating spacer at a distance from each other and braced against each other by means of at least one clamping means. The at least one tensioning means is electrically insulated from the side walls by means of an insulating element.
Bei einer aus dem Stand der Technik bekannten Hochvoltbatterie sind eine Mehrzahl von Einzelzellen nebeneinander gestapelt, sodass Seitenwände benachbarter Einzelzellen miteinander in Anlage und elektrisch in Reihe geschaltet sind. Die elektrisch leitfähigen Seitenwände dienen gleichzeitig als jeweilige Pole und als Wärmeleitbleche zum Ableiten von Abwärme der Einzelzelle. Eine äußere Seitenwand einer ersten Einzelzelle des Zellenverbunds ist mit einer Druckplatte in Anlage. Eine weitere Druckplatte schließt den Zellenverbund zu der gegenüberliegenden Außenseite hin ab, und ist mit einer äußeren Seitenwand der letzten Einzelzelle des Zellenverbunds in Anlage. Die Einzelzellen und die Druckplatten weisen Durchtrittsöffnungen auf, welche in der Batterie miteinander fluchten. Durch diese Durchtrittsöffnungen sind Zuganker geführt, und durch Anziehen der Zugankers werden die zwischen den Druckplatten angeordneten Einzelzellen gegeneinander verspannt. Um zu verhindern, dass der Zuganker mit den elektrisch leitfähigen Seitenwänden der Einzelzellen in Kontakt gerät, ist der Zuganker mit einem Schrumpfschlauch aus einem elektrisch isolierenden Material umgeben.In a high-voltage battery known from the prior art, a plurality of individual cells are stacked next to each other, so that side walls of adjacent individual cells are connected to each other in plant and electrically in series. The electrically conductive side walls simultaneously serve as respective poles and as Wärmeleitbleche for dissipating waste heat of the single cell. An outer side wall of a first single cell of the cell assembly is in contact with a pressure plate. Another pressure plate closes the cell assembly to the opposite outside from, and is in contact with an outer side wall of the last single cell of the cell assembly. The individual cells and the pressure plates have through openings, which are aligned in the battery. Tie rods are guided through these passage openings, and by tightening the tie rods, the individual cells arranged between the pressure plates are braced against one another. In order to prevent the tie rod from coming into contact with the electrically conductive side walls of the individual cells, the tie rod is surrounded by a shrink tube made of an electrically insulating material.
Als nachteilig bei einer derartigen Hochvoltbatterie ist der Umstand anzusehen, dass sie in der Fertigung aufwändig und kostenintensiv ist.A disadvantage of such a high-voltage battery is the fact that it is complex and expensive to manufacture.
Aufgabe der vorliegenden Erfindung ist es daher, einen Zellenverbund der eingangs genannten Art für eine Batterie zu schaffen, welcher eine kostengünstigere Fertigung der Batterie ermöglicht.Object of the present invention is therefore to provide a cell assembly of the type mentioned for a battery, which allows a more cost-effective production of the battery.
Diese Aufgabe wird durch einen Zellenverbund mit den Merkmalen des Patentanspruchs 1 gelöst. Vorteilhafte Ausgestaltungen mit zweckmäßigen Weiterbildungen der Erfindung sind in den abhängigen Patentansprüchen angegeben.This object is achieved by a cell network having the features of patent claim 1. Advantageous embodiments with expedient developments of the invention are specified in the dependent claims.
Der erfindungsgemäße Zellenverbund für eine Batterie umfasst wenigstens zwei Einzelzellen, welche jeweils zwei Seitenwände aus einem elektrisch leitfähigen Material aufweisen. Die zwei Seitenwände einer jeden Einzelzelle sind durch einen elektrisch isolierenden Abstandshalter auf Abstand zueinander gehalten. Die wenigstens zwei Einzelzellen sind mittels wenigstens eines Spannmittels gegeneinander verspannt, und das wenigstens eine Spannmittel ist mittels eines Isolierelements gegenüber den Seitenwänden elektrisch isoliert. Hierbei ist das Isolierelement durch zumindest einen der Abstandshalter gebildet. Es braucht also kein separates Teil vorgesehen zu werden, um die elektrische Isolierung des wenigstens einen Spannmittels gegenüber den elektrisch leitfähigen Seitenwänden der Einzelzellen zu erreichen. Dadurch, dass vorliegend weniger Teile bereitzustellen sind, um den Zellenverbund zu bilden, lässt sich der Zellenverbund besonders aufwandsarm und kostengünstig fertigen.The cell assembly according to the invention for a battery comprises at least two individual cells each having two side walls made of an electrically conductive material. The two side walls of each individual cell are kept apart by an electrically insulating spacer. The at least two individual cells are braced against one another by means of at least one tensioning means, and the at least one tensioning means is electrically insulated from the side walls by means of an insulating element. Here, the insulating element is formed by at least one of the spacers. Thus, it does not need to be provided a separate part in order to achieve the electrical insulation of the at least one clamping means relative to the electrically conductive side walls of the individual cells. Due to the fact that in the present case fewer parts have to be provided in order to form the cell composite, the cell composite can be produced particularly economically and inexpensively.
Das durch zumindest einen der Abstandshalter gebildete Isolierelement verhindert sicher Kurzschlüsse bei Berührung, Kriechströme und erhöht die Sicherheit des Zellenverbunds, etwa wenn es bei Anordnung einer den Zellenverbund aufweisenden Batterie in einem Fahrzeug zu einer unfallbedingten Kraftbeaufschlagung der Batterie kommt.The insulating element formed by at least one of the spacers reliably prevents short circuits when touched, leakage currents and increases the safety of the cell assembly, such as when it comes to an accidental application of force to the battery in a vehicle having a cell assembly in a vehicle.
Während es bei einem aus dem Stand der Technik bekannten, als Schrumpfschlauch ausgebildeten, Isolierelement durch Schwingungsbeanspruchung des Zellenverbunds zu einem Durchscheuern des Schrumpfschlauchs kommen kann, weist das durch den Abstandshalter gebildete Isolierelement eine sehr hohe Beständigkeit gegen derartige mechanische Belastungen auf. Auch bei einer unfallbedingten Kraftbeaufschlagung des Zellenverbunds hat sich das durch den Abstandshalter gebildete Isolierelement als besonders widerstandsfähig herausgestellt.While it may come in a known from the prior art, designed as shrink tubing, insulating element by vibration stress of the cell composite to chafing of the shrink tube, formed by the spacer insulating a very high resistance to such mechanical loads. Even with an accidental application of force to the cell assembly, the insulating element formed by the spacer has been found to be particularly resistant.
In einer vorteilhaften Ausgestaltung der Erfindung ist das Isolierelement durch wenigstens einen rohrförmigen Vorsprung des jeweiligen Abstandshalters gebildet. Der rohrförmige Vorsprung umgibt dann das jeweilige Spannmittel in dem Bereich, in welchem es durch die elektrisch leitfähige Seitenwand der Einzelzelle hindurchtritt. Ein solcher, an dem jeweiligen Abstandshalter angeordneter rohrförmiger Vorsprung lässt sich fertigungstechnisch besonders einfach und kostengünstig ausbilden.In an advantageous embodiment of the invention, the insulating element is formed by at least one tubular projection of the respective spacer. The tubular projection then surrounds the respective clamping means in the region in which it passes through the electrically conductive side wall of the single cell. Such, arranged on the respective spacer tubular projection can be particularly simple and inexpensive form manufacturing technology.
Wenn gemäß einer weiteren vorteilhaften Ausgestaltung der Erfindung der jeweilige Abstandshalter zumindest eine mit dem Isolierelement eines weiteren der Abstandshalter korrespondierende Vertiefung aufweist, so kann das Isolierelement zusätzlich dafür genutzt werden, eine Ausrichtung der Einzelzellen des Zellenverbunds relativ zueinander zu erleichtern. Dies erleichtert das geordnete Stapeln der Einzelzellen nebeneinander zur Bildung des Zellenverbunds.If, according to a further advantageous embodiment of the invention, the respective spacer has at least one recess corresponding to the insulating element of a further spacer, the insulating element can additionally be used to facilitate alignment of the individual cells of the cell assembly relative to one another. This facilitates the ordered stacking of the individual cells next to each other to form the cell composite.
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.The features and feature combinations mentioned above in the description as well as those mentioned below in the description of the figures and / or features and combinations of features shown alone in the figures can be used not only in the particular combination specified, but also in other combinations or in isolation, without departing from the scope of the invention.
Weitere Vorteile, Merkmale und Einzelheiten der Erfindung ergeben sich aus den Ansprüchen, der nachfolgenden Beschreibung bevorzugter Ausführungsformen sowie anhand der Zeichnungen. Dabei zeigen:Further advantages, features and details of the invention will become apparent from the claims, the following description of preferred embodiments and from the drawings. Showing:
Eine in
Die Hochvoltbatterie
Einstückig mit den Druckplatten
An einer Unterseite der Hochvoltbatterie
Insbesondere aus
In einem von dem Rahmen
Handelt es sich bei der Hochvoltbatterie
Die Einzelzelle
Sowohl das Anodenblech
Insbesondere aus
Jeder Rahmen
Wie insbesondere aus
Insbesondere aus der Schnittansicht in
Insbesondere aus der in
BezugszeichenlisteLIST OF REFERENCE NUMBERS
- 1010
- HochvoltbatterieHigh-voltage battery
- 1212
- Einzelzellesingle cell
- 1414
- Zugankertie rods
- 1616
- Druckplatteprinting plate
- 1818
- Druckplatteprinting plate
- 2020
- Anschlusselementconnecting element
- 2222
- Anschlusselementconnecting element
- 2424
- Kühlplattecooling plate
- 2626
- Anschlussleitungconnecting cable
- 2828
- elektronisches Bauelementelectronic component
- 3030
- Spannbandstrap
- 3232
- Längsnutlongitudinal groove
- 3434
- Stapelstack
- 3636
- Anodenblechanode sheet
- 3838
- Kathodenblechcathode plate
- 4040
- Rahmenframe
- 4242
- BereichArea
- 4444
- DurchtrittsöffnungThrough opening
- 4646
- Vorsprunghead Start
- 4848
- Vorderseitefront
- 5050
- Rückseiteback
- 5252
- Vertiefungdeepening
Claims (8)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE201010050992 DE102010050992A1 (en) | 2010-11-10 | 2010-11-10 | Cell composite for high voltage battery of e.g. mild hybrid vehicle, has tensioning unit electrically insulated relative to side walls by insulating element, which is formed by spacer, where spacer comprises sides |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE201010050992 DE102010050992A1 (en) | 2010-11-10 | 2010-11-10 | Cell composite for high voltage battery of e.g. mild hybrid vehicle, has tensioning unit electrically insulated relative to side walls by insulating element, which is formed by spacer, where spacer comprises sides |
Publications (1)
Publication Number | Publication Date |
---|---|
DE102010050992A1 true DE102010050992A1 (en) | 2012-05-10 |
Family
ID=45971145
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE201010050992 Withdrawn DE102010050992A1 (en) | 2010-11-10 | 2010-11-10 | Cell composite for high voltage battery of e.g. mild hybrid vehicle, has tensioning unit electrically insulated relative to side walls by insulating element, which is formed by spacer, where spacer comprises sides |
Country Status (1)
Country | Link |
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DE (1) | DE102010050992A1 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102012011083A1 (en) * | 2012-06-02 | 2013-12-05 | Audi Ag | Memory element comprising a plurality of lithium cells |
WO2019110216A1 (en) * | 2017-12-04 | 2019-06-13 | Bayerische Motoren Werke Aktiengesellschaft | Battery module for a high-voltage battery of a motor vehicle, high-voltage battery and vehicle |
EP3930088A4 (en) * | 2019-09-20 | 2022-06-08 | Contemporary Amperex Technology Co., Limited | Battery module, battery pack and vehicle |
-
2010
- 2010-11-10 DE DE201010050992 patent/DE102010050992A1/en not_active Withdrawn
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102012011083A1 (en) * | 2012-06-02 | 2013-12-05 | Audi Ag | Memory element comprising a plurality of lithium cells |
WO2019110216A1 (en) * | 2017-12-04 | 2019-06-13 | Bayerische Motoren Werke Aktiengesellschaft | Battery module for a high-voltage battery of a motor vehicle, high-voltage battery and vehicle |
US11476531B2 (en) | 2017-12-04 | 2022-10-18 | Bayerische Motoren Werke Aktiengesellschaft | Battery module for a high-voltage battery of a motor vehicle, high-voltage battery and vehicle |
EP3930088A4 (en) * | 2019-09-20 | 2022-06-08 | Contemporary Amperex Technology Co., Limited | Battery module, battery pack and vehicle |
US11811083B2 (en) | 2019-09-20 | 2023-11-07 | Contemporary Amperex Technology Co., Limited | Battery module, battery pack and vehicle |
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Legal Events
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R005 | Application deemed withdrawn due to failure to request examination |