DE102010050983A1 - Single cell for battery in e.g. hybrid vehicle, has electrode stack arranged within cell housing, where housing has electrically insulating frame comprising recesses closed with respect to interior and/or environment of cell - Google Patents
Single cell for battery in e.g. hybrid vehicle, has electrode stack arranged within cell housing, where housing has electrically insulating frame comprising recesses closed with respect to interior and/or environment of cell Download PDFInfo
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- DE102010050983A1 DE102010050983A1 DE102010050983A DE102010050983A DE102010050983A1 DE 102010050983 A1 DE102010050983 A1 DE 102010050983A1 DE 102010050983 A DE102010050983 A DE 102010050983A DE 102010050983 A DE102010050983 A DE 102010050983A DE 102010050983 A1 DE102010050983 A1 DE 102010050983A1
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- frame
- single cell
- cell
- housing
- recesses
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- 239000000463 material Substances 0.000 claims description 33
- 238000005253 cladding Methods 0.000 claims description 12
- 239000002184 metal Substances 0.000 abstract 2
- 239000003792 electrolyte Substances 0.000 description 18
- 238000004519 manufacturing process Methods 0.000 description 10
- 238000001746 injection moulding Methods 0.000 description 8
- 238000002844 melting Methods 0.000 description 6
- 230000008018 melting Effects 0.000 description 6
- 239000000446 fuel Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000000748 compression moulding Methods 0.000 description 4
- 239000002001 electrolyte material Substances 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 238000004026 adhesive bonding Methods 0.000 description 3
- 238000003825 pressing Methods 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 239000011888 foil Substances 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 239000013585 weight reducing agent Substances 0.000 description 2
- 238000009736 wetting 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
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000011889 copper foil Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000007731 hot pressing Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 229910001092 metal group alloy Inorganic materials 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000000126 substance 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
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/116—Primary casings; Jackets or wrappings characterised by the material
- H01M50/121—Organic material
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/102—Primary casings; Jackets or wrappings characterised by their shape or physical structure
- H01M50/103—Primary casings; Jackets or wrappings characterised by their shape or physical structure prismatic or rectangular
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- 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
- H01M50/531—Electrode connections inside a battery casing
- H01M50/533—Electrode connections inside a battery casing characterised by the shape of the leads or tabs
-
- 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
- H01M50/531—Electrode connections inside a battery casing
- H01M50/536—Electrode connections inside a battery casing characterised by the method of fixing the leads to the electrodes, e.g. by welding
-
- 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
- H01M50/531—Electrode connections inside a battery casing
- H01M50/54—Connection of several leads or tabs of plate-like electrode stacks, e.g. electrode pole straps or bridges
-
- 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
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Sealing Battery Cases Or Jackets (AREA)
Abstract
Description
Die Erfindung betrifft eine Einzelzelle für eine Batterie nach den Merkmalen des Oberbegriffs des Anspruchs 1.The invention relates to a single cell for a battery according to the features of the preamble of
Aus dem Stand der Technik sind, wie in der
Der Erfindung liegt die Aufgabe zugrunde, eine verbesserte Einzelzelle für eine Batterie anzugeben.The invention has for its object to provide an improved single cell for a battery.
Die Aufgabe wird erfindungsgemäß durch eine Einzelzelle für eine Batterie mit den Merkmalen des Anspruchs 1 gelöst.The object is achieved by a single cell for a battery having the features of
Bevorzugte Ausgestaltungen und Weiterbildungen der Erfindung sind in den abhängigen Ansprüchen angegeben.Preferred embodiments and further developments of the invention are specified in the dependent claims.
Eine Einzelzelle für eine Batterie weist einen innerhalb eines Zellengehäuses angeordneten Elektrodenstapel auf, dessen einzelne Elektroden mit Stromableiterfahnen elektrisch leitend verbunden sind, wobei zumindest Elektroden unterschiedlicher Polarität durch einen Separator voneinander isolierend getrennt sind, wobei Stromableiterfahnen gleicher Polarität elektrisch leitend miteinander zu einem Pol verbunden sind, wobei das Zellengehäuse zwei elektrisch leitende Hüllbleche und einen dazwischen angeordneten, randseitig umlaufenden sowie elektrisch isolierenden Rahmen aufweist und wobei der Rahmen zwei elektrisch voneinander isolierte und voneinander beabstandete Materialrücknahmen aufweist, in denen die Stromableiterfahnen jeweils einer Polarität angeordnet sind.An individual cell for a battery has an electrode stack arranged within a cell housing, whose individual electrodes are electrically conductively connected to current discharge lugs, wherein at least electrodes of different polarity are separated from one another by a separator, wherein current discharge lugs of the same polarity are electrically conductively connected to one another, wherein the cell housing has two electrically conductive Hüllbleche and arranged therebetween, peripherally encircling and electrically insulating frame and wherein the frame has two electrically isolated from each other and spaced-apart material returns, in which the Stromableiterfahnen are each arranged a polarity.
Erfindungsgemäß weist der Rahmen zumindest eine Ausnehmung auf, welche gegenüber einem Zellinneren und/oder gegenüber einer Umgebung der Einzelzelle verschlossen ist.According to the invention, the frame has at least one recess, which is closed to a cell interior and / or to an environment of the individual cell.
Der Rahmen ist im Bereich der Stromableiterfahnen dicker ausgeformt als für dessen Stabilität bzw. für die Stabilität der Einzelzelle erforderlich und weist dort lediglich Materialrücknahmen zum Anordnen der Stromableiterfahnen auf. Durch den dickeren Rahmen sind große Leerräume im Zellinneren des Gehäuses zwischen den Stromableiterfahnen und den Hüllblechen, in welchen sich Elektrolyt ansammeln würde, verhindert. Dadurch sind Elektrolytmaterialkosten und ein Gewicht der Einzelzellen durch eine geringere Elektrolytfüllung reduziert und eine ungleichmäßige Benetzung des Elektrodenstapels mit Elektrolyt ist vermieden.The frame is made thicker in the area of the current discharge lugs than required for its stability or for the stability of the individual cell and has only material returns there for arranging the current discharge lugs. The thicker frame prevents large voids in the cell interior of the housing between the current collector tabs and the shrouds in which electrolyte would accumulate. As a result, electrolyte material costs and a weight of the individual cells are reduced by a lower electrolyte filling and uneven wetting of the electrode stack with electrolyte is avoided.
Mittels der Ausnehmung im Rahmen oder bevorzugt mittels einer Mehrzahl derartiger Ausnehmungen, welche zweckmäßigerweise in den dickeren, den Stromableiterfahnen zugewandten Rahmenbereichen angeordnet sind, ist ein erhöhtes Gewicht aufgrund des dickeren Rahmens vermieden, da durch diese Ausnehmungen Rahmenmaterial entfernt ist, so dass Hohlräume entstehen. Diese Ausnehmungen sind derart in den Rahmen eingebracht, dass eine erforderliche Stabilität des Rahmens sichergestellt ist.By means of the recess in the frame or preferably by means of a plurality of such recesses, which are expediently arranged in the thicker, the Stromableiterfahnen facing frame portions, an increased weight is avoided due to the thicker frame, as is removed by these recesses frame material, so that cavities are formed. These recesses are introduced into the frame in such a way that a required stability of the frame is ensured.
Die Ausnehmungen sind derart eingebracht, dass das Zellinnere des Gehäuses weiterhin durch den Rahmen gegenüber der Umgebung der Einzelzelle abgedichtet ist. Bevorzugt sind die Ausnehmungen gegenüber dem Zellinneren verschlossen, so dass kein Elektrolyt in die Ausnehmungen eindringen kann. Auf diese Weise ist kein zusätzliches Elektrolyt erforderlich, so dass erhöhte Elektrolytmaterialkosten und ein erhöhtes Gewicht aufgrund eines zusätzlichen Elektrolyts vermieden sind.The recesses are introduced such that the cell interior of the housing is further sealed by the frame relative to the environment of the single cell. Preferably, the recesses are closed relative to the cell interior, so that no electrolyte can penetrate into the recesses. In this way, no additional electrolyte is required, so that increased electrolyte material costs and an increased weight due to an additional electrolyte are avoided.
Die Ausnehmungen sind während einer Herstellung des Rahmens beispielsweise in einem Spritzgießverfahren durch eine entsprechende Ausformung einer Gussform herstellbar, so dass keine zusätzlichen Herstellungsschritte erforderlich sind. Dadurch sind Herstellungszeiten und Herstellungskosten der Einzelzelle nicht erhöht und es ist aufgrund der Ausnehmungen weniger Rahmenmaterial zur Herstellung des Rahmens erforderlich, wodurch die Materialkosten reduziert sind.The recesses can be produced during a production of the frame, for example in an injection molding process by a corresponding molding of a casting mold, so that no additional manufacturing steps are required. As a result, manufacturing times and manufacturing costs of the single cell are not increased and it is due to the recesses less frame material required for the production of the frame, whereby the material costs are reduced.
Aufgrund des derart ausgeformten Rahmens ist das Gewicht der Einzelzelle sowohl durch eine geringere Elektrolytfüllung als auch durch das verringerte Rahmenmaterial erheblich reduziert. Dies ist insbesondere bei einer Batterie von großer Bedeutung, welche eine Mehrzahl dieser Einzelzellen aufweist. Derartige Batterien sind bevorzugt für Fahrzeuge mit Hybridantrieb, Brennstoffzellenfahrzeuge oder Elektrofahrzeuge einsetzbar, in welchen eine Mehrzahl dieser Batterien erforderlich ist.Due to the thus shaped frame, the weight of the single cell is significantly reduced both by a lower electrolyte filling and by the reduced frame material. This is particularly important in a battery which has a plurality of these individual cells. Such batteries are preferred for vehicles with hybrid drive, fuel cell vehicles or Electric vehicles can be used, in which a majority of these batteries is required.
Durch Verwendung dieser Einzelzellen ist in derartigen Fahrzeugen eine erhebliche Gewichtsreduktion erzielbar, woraus ein geringerer Energie- und/oder Kraftstoffverbrauch und dadurch eine erhöhte Reichweite und bei Hybridfahrzeugen ein geringerer Schadstoffausstoß resultieren. Des Weiteren ist durch das geringere Gewicht der Batterien eine höhere Zuladung ermöglicht.By using these single cells in such vehicles a significant weight reduction can be achieved, resulting in a lower energy and / or fuel consumption and thus an increased range and result in hybrid vehicles, a lower pollutant emissions. Furthermore, the lower weight of the batteries allows a higher payload.
Ausführungsbeispiele der Erfindung werden anhand von Zeichnungen näher erläutert.Embodiments of the invention will be explained in more detail with reference to drawings.
Dabei zeigen:Showing:
Einander entsprechende Teile sind in allen Figuren mit den gleichen Bezugszeichen versehen.Corresponding parts are provided in all figures with the same reference numerals.
Die Einzelzelle
Stromableiterfahnen
Der Rahmen
Um ein erhöhtes Gewicht der Einzelzelle
Des Weiteren sind die Ausnehmungen
Wie in den
Der Rahmen
Dadurch ist sichergestellt, dass die Einzelzelle
Da die Stromableiterfahnen
Um auch in diesen Rahmenbereichen einen maximal möglichen Anteil des Rahmenmaterials einzusparen und dadurch das Gewicht der Einzelzelle
Gegenüber einer Umgebung der Einzelzelle
Die Ausnehmungen
Der Rahmen
Alternativ ist der Rahmen
In den
Bevorzugt erfolgt hier jedoch das Spritzgießen oder Spritzprägen der Rahmenhälften
Bei der Spiegelschweißtechnik erfolgt das partielle Anschmelzen mittels eines doppelseitigen Heizelementes, durch Anpressen der Rahmenhälften
Aufgrund des Rahmens
Derartige Batterien sind bevorzugt für Fahrzeuge mit Hybridantrieb, Brennstoffzellenfahrzeuge oder Elektrofahrzeuge einsetzbar, in welchen eine Mehrzahl dieser Batterien erforderlich ist. Durch Verwendung dieser Einzelzellen
BezugszeichenlisteLIST OF REFERENCE NUMBERS
- 11
- Einzelzellesingle cell
- 22
- Elektrodenstapelelectrode stack
- 2.1, 2.22.1, 2.2
- Elektrodeelectrode
- 2.32.3
- Separatorseparator
- 2.4, 2.52.4, 2.5
- Stromableiterfahnedischarge lug
- 3, 43, 4
- Hüllblechskin panel
- 55
- Rahmenframe
- 5.15.1
- RahmeninnenwandFrame inner wall
- 5.25.2
- RahmenaußenwandFrame outer wall
- 5.3, 5.4 5.3, 5.4
- Rahmenhälfteframe half
- 66
- MaterialrücknahmeMaterialrücknahme
- 7, 87, 8
- Ausnehmungrecess
- 99
- Stegweb
ZITATE ENTHALTEN IN DER BESCHREIBUNG QUOTES INCLUDE IN THE DESCRIPTION
Diese Liste der vom Anmelder aufgeführten Dokumente wurde automatisiert erzeugt und ist ausschließlich zur besseren Information des Lesers aufgenommen. Die Liste ist nicht Bestandteil der deutschen Patent- bzw. Gebrauchsmusteranmeldung. Das DPMA übernimmt keinerlei Haftung für etwaige Fehler oder Auslassungen.This list of the documents listed by the applicant has been generated automatically and is included solely for the better information of the reader. The list is not part of the German patent or utility model application. The DPMA assumes no liability for any errors or omissions.
Zitierte PatentliteraturCited patent literature
- DE 102007063181 A1 [0002] DE 102007063181 A1 [0002]
Claims (8)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102010050983A DE102010050983A1 (en) | 2010-11-10 | 2010-11-10 | Single cell for battery in e.g. hybrid vehicle, has electrode stack arranged within cell housing, where housing has electrically insulating frame comprising recesses closed with respect to interior and/or environment of cell |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102010050983A DE102010050983A1 (en) | 2010-11-10 | 2010-11-10 | Single cell for battery in e.g. hybrid vehicle, has electrode stack arranged within cell housing, where housing has electrically insulating frame comprising recesses closed with respect to interior and/or environment of cell |
Publications (1)
Publication Number | Publication Date |
---|---|
DE102010050983A1 true DE102010050983A1 (en) | 2012-05-10 |
Family
ID=45971142
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE102010050983A Withdrawn DE102010050983A1 (en) | 2010-11-10 | 2010-11-10 | Single cell for battery in e.g. hybrid vehicle, has electrode stack arranged within cell housing, where housing has electrically insulating frame comprising recesses closed with respect to interior and/or environment of cell |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE102010050983A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102013209691A1 (en) * | 2013-05-24 | 2014-11-27 | Elringklinger Ag | Electrochemical cell and method of making an electrochemical cell |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102007063181A1 (en) | 2007-08-06 | 2009-02-19 | Daimler Ag | Single cell for a battery and method for its production |
-
2010
- 2010-11-10 DE DE102010050983A patent/DE102010050983A1/en not_active Withdrawn
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102007063181A1 (en) | 2007-08-06 | 2009-02-19 | Daimler Ag | Single cell for a battery and method for its production |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102013209691A1 (en) * | 2013-05-24 | 2014-11-27 | Elringklinger Ag | Electrochemical cell and method of making an electrochemical cell |
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