DE102009051315A1 - Battery cell with gas reservoir - Google Patents
Battery cell with gas reservoir Download PDFInfo
- Publication number
- DE102009051315A1 DE102009051315A1 DE102009051315A DE102009051315A DE102009051315A1 DE 102009051315 A1 DE102009051315 A1 DE 102009051315A1 DE 102009051315 A DE102009051315 A DE 102009051315A DE 102009051315 A DE102009051315 A DE 102009051315A DE 102009051315 A1 DE102009051315 A1 DE 102009051315A1
- Authority
- DE
- Germany
- Prior art keywords
- housing
- battery cell
- region
- area
- electrodes
- 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.)
- Ceased
Links
Images
Classifications
-
- 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 of a single cell or a single battery
- H01M50/102—Primary casings, jackets or wrappings of a single cell or a single battery characterised by their shape or physical structure
- H01M50/105—Pouches or flexible bags
-
- 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
- H01M10/61—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
- H01M10/64—Heating or cooling; Temperature control characterised by the shape of the cells
- H01M10/647—Prismatic or flat cells, e.g. pouch 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
- 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
- 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
- H01M50/543—Terminals
- H01M50/547—Terminals characterised by the disposition of the terminals on the cells
- H01M50/55—Terminals characterised by the disposition of the terminals on the cells on the same side of the cell
-
- 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
- H01M50/543—Terminals
- H01M50/552—Terminals characterised by their shape
- H01M50/553—Terminals adapted for prismatic, pouch or rectangular cells
- H01M50/557—Plate-shaped terminals
-
- 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
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2200/00—Safety devices for primary or secondary batteries
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2200/00—Safety devices for primary or secondary batteries
- H01M2200/20—Pressure-sensitive devices
-
- 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 of a single cell or a single battery
- H01M50/116—Primary casings, jackets or wrappings of a single cell or a single battery characterised by the material
- H01M50/117—Inorganic material
- H01M50/119—Metals
-
- 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 of a single cell or a single battery
- H01M50/116—Primary casings, jackets or wrappings of a single cell or a single battery characterised by the material
- H01M50/124—Primary casings, jackets or wrappings of a single cell or a single battery characterised by the material having a layered structure
-
- 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 of a single cell or a single battery
- H01M50/131—Primary casings, jackets or wrappings of a single cell or a single battery characterised by physical properties, e.g. gas-permeability or size
- H01M50/136—Flexibility or foldability
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Abstract
Es wird eine Batteriezelle (1) vorgeschlagen, mit zumindest zwei Elektroden (6, 7), zumindest einem elektrisch isolierenden Separator (9), welcher zwischen den Elektroden (6, 7) angeordnet ist, einem Elektrolyt (8), und einem Gehäuse (2), welches in einem ersten Bereich (4) die Elektroden (6, 7), den Separator (9) und den Elektrolyt (8) aufnimmt. Das Gehäuse (2) weist ferner einen zweiten Bereich (5) auf, welcher derart ausgebildet ist, dass bei einer Zunahme des Innendrucks im ersten Bereich (4) ein im ersten Bereich (4) befindliches Fluid in den zweiten Bereich (5) strömen kann. Auf diese Weise wird die Betriebssicherheit der Batteriezelle verbessert.A battery cell (1) is proposed, comprising at least two electrodes (6, 7), at least one electrically insulating separator (9) which is arranged between the electrodes (6, 7), an electrolyte (8), and a housing ( 2), which receives in a first region (4) the electrodes (6, 7), the separator (9) and the electrolyte (8). The housing (2) also has a second region (5), which is designed such that, when the internal pressure in the first region (4) increases, a fluid in the first region (4) can flow into the second region (5) , In this way, the reliability of the battery cell is improved.
Description
Die Erfindung betrifft eine Batteriezelle mit Gasreservoir und eine Batteriezellenanordnung.The invention relates to a battery cell with gas reservoir and a battery cell arrangement.
Hybrid- und Elektrofahrzeuge werden zeitweise oder ganz durch elektrische Energie angetrieben. Während bei einem Elektrofahrzeug der Vortrieb ausnahmslos durch einen Elektromotor bewerkstelligt wird, ist bei einem Hybridfahrzeug neben dem Elektroantrieb zusätzlich noch ein Verbrennungsmotor vorgesehen. Beide Systeme verfügen jedoch über einen Energiespeicher zur Bereitstellung elektrischer Energie für den Elektroantrieb. Als Energiespeicher kommen neben Bleibatterien, Doppelschichtkondensatoren in zunehmendem Maße Nickel-Metallhydrid-, Nickel-Zink- oder Lithium-Ionen-Zellen zum Einsatz. Die zuletzt genannten Energiespeicher weisen meist eine Vielzahl von in Reihe geschalteten Batteriezellen auf. Bei den Batteriezellen werden die elektrochemisch aktiven Bestandteile (Elektroden mit aktiver Beschichtung, Separator, Elektrolyt) von einem gasdichten Metallgehäuse umschlossen. In einer speziellen Ausgestaltung dieses Metallgehäuses besteht dieses aus einer flexiblen Metallfolie, typischerweise einer Aluminiumverbundfolie, welche die elektrochemisch aktiven Bestandteile eng umschließt und nach Außen hermetisch abdichtet. Während des Herstellungsprozesses werden die elektrochemisch aktiven Bestandteile von der Metallfolie eng umschlossen, evakuiert und die Metallfolie an den Randbereichen durch Verschweißung oder Verklebung gasdicht versiegelt. Um den Bauraum der Zellen möglichst gering zu halten, liegen diese versiegelten Randbereiche unmittelbar, dass heißt so eng wie möglich an den elektrochemisch aktiven Bestandteilen an.Hybrid and electric vehicles are powered at times or entirely by electrical energy. While in an electric vehicle the propulsion is accomplished without exception by an electric motor, in addition to the electric drive, a combustion engine is additionally provided in a hybrid vehicle. However, both systems have an energy storage device for providing electrical energy for the electric drive. As energy storage come next lead-acid batteries, double-layer capacitors increasingly nickel-metal hydride, nickel-zinc or lithium-ion cells are used. The last-mentioned energy storage devices usually have a large number of battery cells connected in series. In the case of the battery cells, the electrochemically active constituents (electrodes with active coating, separator, electrolyte) are enclosed by a gas-tight metal housing. In a special embodiment of this metal housing, this consists of a flexible metal foil, typically an aluminum composite foil, which tightly encloses the electrochemically active constituents and hermetically seals them to the outside. During the manufacturing process, the electrochemically active constituents are tightly enclosed by the metal foil, evacuated, and the metal foil is gas-tightly sealed at the edge regions by welding or gluing. In order to keep the installation space of the cells as low as possible, these sealed edge areas are directly, that is, as close as possible to the electrochemically active constituents.
Unter bestimmten Umgebungsbedingungen, beispielsweise bei intensiver Sonneneinstrahlung und sehr hohen Umgebungstemperaturen, und ungünstigen Betriebsbedingungen, kann es vorkommen, dass sich innerhalb der Batteriezelle gasförmige Zersetzungsprodukte bilden, was zu einem allmählichen Anstieg des Innendrucks in der Batteriezelle führt. Neben einer Verminderung der Batterieleistung, einer Schädigung der Komponenten, kann es im schlimmsten Fall zu einem Aufplatzen der flexiblen Metallfolie kommen. Neben dem Ausfall der Batterie kann es dabei zum Austritt unter Umständen sogar umweltschädlicher Stoffe, wie organischer Lösungsmittel und Säuren, kommen.Under certain environmental conditions, such as intense sunlight and very high ambient temperatures, and adverse operating conditions, gaseous decomposition products may form within the battery cell, resulting in a gradual increase in internal pressure in the battery cell. In addition to a reduction in battery performance, damage to the components, it can come in the worst case, bursting of the flexible metal foil. In addition to the failure of the battery, it may lead to leakage under certain circumstances even environmentally harmful substances, such as organic solvents and acids.
Es ist die Aufgabe der vorliegenden Erfindung, eine Batteriezelle und eine Batteriezellenanordnung bereitzustellen, welche sich durch eine höhere Betriebssicherheit auszeichnen.It is the object of the present invention to provide a battery cell and a battery cell arrangement, which are characterized by a higher reliability.
Diese Aufgabe wird durch die Batteriezelle und die Batteriezellenanordnung gemäß den unabhängigen Ansprüchen gelöst. Vorteilhafte Ausgestaltungen sind Gegenstand der abhängigen Ansprüche.This object is achieved by the battery cell and the battery cell assembly according to the independent claims. Advantageous embodiments are the subject of the dependent claims.
Eine Batteriezelle gemäß dem Anspruch 1 umfasst zumindest zwei Elektroden, zumindest einen Separator, welcher zwischen den Elektroden angeordnet ist, einen Elektrolyt und ein Gehäuse, welches in einem ersten Bereich die Elektroden, den Separator und den Elektrolyt umschließt. Daneben weist das Gehäuse einen zweiten Bereich auf, welcher derart ausgebildet ist, dass bei einer Zunahme des Innendrucks im ersten Bereich ein im ersten Bereich befindliches Fluid in den zweiten Bereich strömt und dort aufgenommen wird.A battery cell according to claim 1 comprises at least two electrodes, at least one separator, which is arranged between the electrodes, an electrolyte and a housing, which encloses the electrodes, the separator and the electrolyte in a first region. In addition, the housing has a second region, which is designed in such a way that, when the internal pressure in the first region increases, a fluid located in the first region flows into the second region and is absorbed there.
Die unter bestimmten Umgebungsbedingungen innerhalb der Batteriezelle entstehenden Zersetzungsgase bewirken einen Anstieg des Innendrucks in der Batteriezelle. Erfindungsgemäß weist das Gehäuse der Batteriezelle einen zweiten Bereich auf, in welchen bei einem Anstieg des Innendrucks im ersten Bereich ein sich dort befindliches Fluid strömen kann. Unter dem Begriff Fluid sind dabei alle fließfähigen Medien, also Flüssigkeiten und Gase zu verstehen. Im Falle der Batteriezelle kommen beispielsweise flüssiger oder dampfförmiger Elektrolyt oder Zersetzungsgase in Frage. Bei einem Druckanstieg im ersten bereich des Gehäuses wird also im zweiten Bereich des Gehäuses ein zusätzliches Volumen (Reservoir) freigegeben oder gebildet, in welches das im ersten Bereich befindliche Fluid strömen kann. Die Ausbildung des zusätzlichen Volumens im zweiten Bereich des Gehäuses bewirkt eine Druckentlastung innerhalb der Batteriezelle, d. h. der Innendruck steigt nicht auf kritische Werte an. So kann ein Bersten der Batteriezelle aufgrund eines zu hohen Innendrucks sicher vermieden werden. Dem Austreten umweltschädlicher Substanzen, sowie dem Ausfall der Batteriezelle wird so wirkungsvoll vorgebeugt.The decomposition gases produced under certain environmental conditions within the battery cell cause an increase in the internal pressure in the battery cell. According to the invention, the housing of the battery cell has a second region in which, when the internal pressure in the first region increases, a fluid located there can flow. The term fluid here means all flowable media, ie liquids and gases. In the case of the battery cell, for example, liquid or vaporous electrolyte or decomposition gases come into question. With an increase in pressure in the first region of the housing, an additional volume (reservoir) is thus released or formed in the second region of the housing, into which the fluid located in the first region can flow. The formation of the additional volume in the second region of the housing causes a pressure relief within the battery cell, d. H. internal pressure does not rise to critical levels. Thus, bursting of the battery cell due to excessive internal pressure can be safely avoided. The escape of environmentally harmful substances, as well as the failure of the battery cell is so effectively prevented.
In einer Ausgestaltung der Batteriezelle nach Anspruch 2 ist der zweite Bereich des Gehäuses evakuiert.In one embodiment of the battery cell according to
Bei dieser Ausgestaltung nimmt der zweite Bereich des Gehäuses nur einen sehr geringen Bauraum ein. Vorzugsweise besteht das Gehäuse aus einer geeigneten Folie (Metallverbundfolie), so dass im ersten Bereich des evakuierten Gehäuses die Folien unmittelbar aufeinander liegen und kein Innenvolumen bilden. Erst im Falle der Zunahme des Innendrucks im ersten Bereich des Gehäuses bildet sich im zweiten Bereich des Gehäuses ein zusätzliches Volumen aus, in welches das zunächst im ersten Bereich befindliche Fluid strömen kann. Die Evakuierung erfolgt während des Herstellungsprozesses der Batteriezelle.In this embodiment, the second region of the housing occupies only a very small space. Preferably, the housing consists of a suitable film (metal composite film), so that in the first region of the evacuated housing, the films are directly adjacent to each other and do not form an internal volume. Only in the case of the increase in the internal pressure in the first region of the housing an additional volume is formed in the second region of the housing, in which the first fluid located in the first region can flow. The evacuation takes place during the manufacturing process of the battery cell.
In einer Ausgestaltung der Batteriezellen nach Anspruch 3 ist der zweite Bereich des Gehäuses in einem Randabschnitt des Gehäuses angeordnet.In an embodiment of the battery cells according to
Diese Ausgestaltung erlaubt eine einfache, schnelle und kostengünstige Herstellung des Gehäuses.This embodiment allows a simple, fast and cost-effective production of the housing.
In einer Ausgestaltung der Batteriezelle nach Anspruch 4 ragen die zumindest zwei Elektroden jeweils teilweise aus dem Gehäuse, wobei der zweite Bereich zwischen den Elektroden angeordnet ist.In one embodiment of the battery cell according to
Auf diese Weise kann der Bauraum im Randbereich der Batteriezelle zwischen den Elektroden genutzt werden, ohne den von der Batteriezelle beanspruchten Bauraum zur parallelen und/oder seriellen Verschaltung zu vergrößern.In this way, the space in the edge region of the battery cell between the electrodes can be used without increasing the space occupied by the battery cell space for parallel and / or serial connection.
Eine Batteriezellenanordnung gemäß dem Anspruch 5 umfasst zumindest zwei Batteriezellen nach einem der vorhergehenden Ansprüche, welche in Reihe und/oder parallel nebeneinander angeordnet sind, sowie zumindest ein Kühlelement. Dabei ist zwischen zwei benachbarten Batteriezellen zumindest ein Kühlelement derart angeordnet, dass die Batteriezellen jeweils nur am ersten Bereich des Gehäuses mit dem jeweils zugeordneten Kühlelement im Kontakt stehen.A battery cell arrangement according to
Bei dieser Batteriezellenanordnung wird ein effektiver Wärmeabtransport über die Kühlelemente gewährleistet. Dadurch, dass die Kühlelemente mit den zugeordneten Batteriezellen jeweils nur im ersten Bereich des Gehäuses in Kontakt stehen, ist eine freie Volumenausbildung im zweiten Bereich der Batteriezelle gewährleistet.In this battery cell arrangement, effective heat removal via the cooling elements is ensured. The fact that the cooling elements are in contact with the associated battery cells only in the first region of the housing, a free volume formation in the second region of the battery cell is ensured.
Eine Ausgestaltung der Batteriezellenanordnung nach Anspruch 6 weist eine Verspanneinrichtung auf, mittels der die Batteriezellen und die Kühlelemente miteinander verspannt bzw. gegeneinander verpresst werden.An embodiment of the battery cell arrangement according to
Durch die Verspanneinrichtung werden die Batteriezellen und die zwischen den Batteriezellen angeordneten Kühlelemente gegeneinander verpresst, sodass ein sehr effektiver Wärmeübergang von den Batteriezellen auf die Kühlelemente und damit eine gute Kühlung gewährleistet ist. Da die zweiten Bereiche der Gehäuse der Batteriezellen mit den jeweils zugehörigen Kühlelementen nicht in Kontakt stehen und so auf die zweiten Bereiche kein Druck durch die Verspanneinrichtung ausgeübt wird, wird eine freie Volumenausbildung der zweiten Bereiche sichergestellt. Ferner wird der Elektrodenkontakt in den Batteriezellen deutlich verbessert, was die Funktionsfähigkeit und die Leistungsfähigkeit der Batteriezellen verlängert. Ferner ergibt sich eine kompaktere Bauweise.By means of the bracing device, the battery cells and the cooling elements arranged between the battery cells are pressed against each other, so that a very effective heat transfer from the battery cells to the cooling elements and thus good cooling is ensured. Since the second areas of the housing of the battery cells are not in contact with the respectively associated cooling elements and so no pressure is exerted on the second areas by the tensioning device, a free volume formation of the second areas is ensured. Furthermore, the electrode contact in the battery cells is significantly improved, which extends the functionality and performance of the battery cells. Furthermore, results in a more compact design.
Im Folgenden wird die Erfindung anhand eines Ausführungsbeispiels mit Bezug auf die beigefügten Figuren näher erläutert.In the following the invention will be explained in more detail by means of an embodiment with reference to the attached figures.
In den Figuren sind:In the figures are:
In den
In
In den
In einem ersten Bereich
Der Innenraum des Gehäuses
Wie in
In den
Dabei ist in
In
In
In
Die Batteriezellenanordnung weist ferner eine Verspanneinrichtung
Im Ausführungsbeispiel ist das Gehäuse vollständig aus einem flexiblen Material (Metallfolie) gefertigt. Alternativ kann der erste Bereich des Gehäuses als fester, starrer, unflexibler Container (beispielsweise mit zylindrischer oder prismatischer Form) und der zweite Bereich aus einem flexiblen Material gebildet sein.In the exemplary embodiment, the housing is made entirely of a flexible material (metal foil). Alternatively, the first region of the housing may be formed as a solid, rigid, inflexible container (for example of cylindrical or prismatic shape) and the second region of flexible material.
Claims (6)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102009051315A DE102009051315A1 (en) | 2009-10-29 | 2009-10-29 | Battery cell with gas reservoir |
PCT/EP2010/065942 WO2011051174A1 (en) | 2009-10-29 | 2010-10-22 | Battery cell having a gas reservoir |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102009051315A DE102009051315A1 (en) | 2009-10-29 | 2009-10-29 | Battery cell with gas reservoir |
Publications (1)
Publication Number | Publication Date |
---|---|
DE102009051315A1 true DE102009051315A1 (en) | 2011-07-14 |
Family
ID=43466815
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE102009051315A Ceased DE102009051315A1 (en) | 2009-10-29 | 2009-10-29 | Battery cell with gas reservoir |
Country Status (2)
Country | Link |
---|---|
DE (1) | DE102009051315A1 (en) |
WO (1) | WO2011051174A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102012020011A1 (en) * | 2012-10-12 | 2014-04-17 | Volkswagen Aktiengesellschaft | Device for degassing electrochemical cell for vehicle e.g. electric car, has isolating device that is provided for elongation of mechanical opening through tensile wall sections, for mechanical penetrating and splitting cell wall |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT511836B1 (en) * | 2011-09-29 | 2013-03-15 | Avl List Gmbh | ELECTRIC ENERGY STORAGE FOR AN ELECTRIC VEHICLE |
KR102203839B1 (en) * | 2018-01-09 | 2021-01-15 | 주식회사 엘지화학 | Pouch cell case having hidden-type gas pocket, pouch cell with the same, and battery module with the same |
EP4191755A1 (en) * | 2021-12-01 | 2023-06-07 | Hilti Aktiengesellschaft | Power supply device with a flexible outer shell and machine tool comprising such a power supply device |
EP4191756A1 (en) | 2021-12-01 | 2023-06-07 | Hilti Aktiengesellschaft | Power supply device with a cell without pressure relief valve and machine tool comprising such a power supply device |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4720065B2 (en) * | 2001-09-04 | 2011-07-13 | 日本電気株式会社 | Film outer battery and battery pack |
JP3624903B2 (en) * | 2002-07-04 | 2005-03-02 | 日産自動車株式会社 | Module battery |
US7186478B2 (en) * | 2003-01-23 | 2007-03-06 | Lithium Technology Corporation | Electrochemical device |
US7736801B2 (en) * | 2004-03-23 | 2010-06-15 | Nec Corporation | Film covered electric device and method of manufacturing the same |
WO2006067979A1 (en) * | 2004-12-21 | 2006-06-29 | Nec Corporation | Case for film jacket electric device |
JP2007157678A (en) * | 2005-05-23 | 2007-06-21 | Matsushita Electric Ind Co Ltd | Safety mechanism for laminate battery |
JP4760394B2 (en) * | 2006-01-19 | 2011-08-31 | 日本電気株式会社 | Film outer battery |
KR100876455B1 (en) * | 2006-07-31 | 2008-12-29 | 주식회사 엘지화학 | Pouch type secondary battery with unsealed surplus |
JP2008262788A (en) * | 2007-04-11 | 2008-10-30 | Toshiba Corp | Nonaqueous electrolyte battery |
JP5656345B2 (en) * | 2008-03-28 | 2015-01-21 | 大日本印刷株式会社 | Electrochemical cell |
JP5219587B2 (en) * | 2008-03-31 | 2013-06-26 | 三洋電機株式会社 | Laminated battery and battery module including the laminated battery |
-
2009
- 2009-10-29 DE DE102009051315A patent/DE102009051315A1/en not_active Ceased
-
2010
- 2010-10-22 WO PCT/EP2010/065942 patent/WO2011051174A1/en active Application Filing
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102012020011A1 (en) * | 2012-10-12 | 2014-04-17 | Volkswagen Aktiengesellschaft | Device for degassing electrochemical cell for vehicle e.g. electric car, has isolating device that is provided for elongation of mechanical opening through tensile wall sections, for mechanical penetrating and splitting cell wall |
Also Published As
Publication number | Publication date |
---|---|
WO2011051174A1 (en) | 2011-05-05 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP3189552B1 (en) | Battery container with one membrane side and the process for its production. | |
DE102010027699B4 (en) | battery | |
DE69829711T2 (en) | Lithium secondary battery | |
WO2018233902A1 (en) | Flexible cooling plate for a battery | |
DE102016225184A1 (en) | Battery module with battery cell system and enclosure | |
DE102016225175A1 (en) | Serving for a battery module | |
WO2010063365A1 (en) | Battery and method for producing a battery | |
DE102014207403A1 (en) | Battery unit with a receiving device and a plurality of electrochemical cells and battery module with a plurality of such battery units | |
DE102012018128A1 (en) | Single cell e.g. lithium ion cell, for use in elliptic column-type non-aqueous electrolyte battery for electric car, has electrode film arrangement pressed against wall of cell housing by elastic element that is designed as hollow body | |
EP3523839A1 (en) | Energy cell holding device for a motor vehicle | |
DE102009051315A1 (en) | Battery cell with gas reservoir | |
WO2015114074A1 (en) | Electric battery cell, especially rechargeable lithium-sulfur battery cell, comprising a volume compensating element | |
DE102012224330A9 (en) | Electrical accumulator device with elastic elements | |
DE102013021332A1 (en) | Cell module for a battery, battery and method of manufacturing a cell module | |
DE102016213142A1 (en) | Battery cell, battery module and method of manufacture | |
WO2014012715A1 (en) | Battery cell and method for closing the battery cell | |
EP2399307B1 (en) | Galvanic cell having a multipart housing having an elastic assembly seam | |
DE102020216452A1 (en) | pouch cell | |
DE102015200923A1 (en) | Lid assembly for a housing of a battery cell for a vehicle | |
DE112020005524T5 (en) | energy storage device | |
DE102013203037A1 (en) | Battery cell e.g. lithium ion cell, for driving e.g. plug-in hybrid vehicle, has connection poles formed with constant aperture in interior of cell housing, where constant aperture is closed by closure element | |
WO2014048617A1 (en) | Battery cell having an arrangement for easily changing a housing potential | |
DE102010034543A1 (en) | Electrochemical cell with at least one pressure relief device | |
DE102008010810A1 (en) | Method for producing a single cell for a battery | |
DE102013016782A1 (en) | Single cell for a battery |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
R016 | Response to examination communication | ||
R002 | Refusal decision in examination/registration proceedings | ||
R003 | Refusal decision now final |
Effective date: 20120126 |