DE102009035484A1 - Galvanic flat cell for lithium ion battery in vehicle e.g. electric vehicle, has electrode stack with electrodes that are of same polarity, where electrode stack is gas tightly surrounded by foil made of plastic - Google Patents
Galvanic flat cell for lithium ion battery in vehicle e.g. electric vehicle, has electrode stack with electrodes that are of same polarity, where electrode stack is gas tightly surrounded by foil made of plastic Download PDFInfo
- Publication number
- DE102009035484A1 DE102009035484A1 DE102009035484A DE102009035484A DE102009035484A1 DE 102009035484 A1 DE102009035484 A1 DE 102009035484A1 DE 102009035484 A DE102009035484 A DE 102009035484A DE 102009035484 A DE102009035484 A DE 102009035484A DE 102009035484 A1 DE102009035484 A1 DE 102009035484A1
- Authority
- DE
- Germany
- Prior art keywords
- electrode stack
- flat cell
- foil
- galvanic
- 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.)
- Withdrawn
Links
- 239000011888 foil Substances 0.000 title claims abstract description 27
- 239000004033 plastic Substances 0.000 title claims abstract description 6
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title description 3
- 229910001416 lithium ion Inorganic materials 0.000 title description 3
- 238000003466 welding Methods 0.000 claims abstract description 13
- 239000011261 inert gas Substances 0.000 claims abstract description 8
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims abstract description 6
- 238000000034 method Methods 0.000 claims abstract description 4
- 239000004809 Teflon Substances 0.000 claims abstract description 3
- 229920006362 Teflon® Polymers 0.000 claims abstract description 3
- 229910052786 argon Inorganic materials 0.000 claims abstract description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 abstract description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract description 3
- 229910052782 aluminium Inorganic materials 0.000 abstract description 3
- 239000011889 copper foil Substances 0.000 abstract description 3
- 239000007789 gas Substances 0.000 abstract 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 abstract 1
- 239000004810 polytetrafluoroethylene Substances 0.000 abstract 1
- 239000010405 anode material Substances 0.000 description 4
- 239000010406 cathode material Substances 0.000 description 4
- 238000004880 explosion Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 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
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 229910021417 amorphous silicon Inorganic materials 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
- 230000003292 diminished effect Effects 0.000 description 1
- 239000011262 electrochemically active material Substances 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 229910000625 lithium cobalt oxide Inorganic materials 0.000 description 1
- GELKBWJHTRAYNV-UHFFFAOYSA-K lithium iron phosphate Chemical compound [Li+].[Fe+2].[O-]P([O-])([O-])=O GELKBWJHTRAYNV-UHFFFAOYSA-K 0.000 description 1
- BFZPBUKRYWOWDV-UHFFFAOYSA-N lithium;oxido(oxo)cobalt Chemical compound [Li+].[O-][Co]=O BFZPBUKRYWOWDV-UHFFFAOYSA-N 0.000 description 1
- URIIGZKXFBNRAU-UHFFFAOYSA-N lithium;oxonickel Chemical compound [Li].[Ni]=O URIIGZKXFBNRAU-UHFFFAOYSA-N 0.000 description 1
- -1 nanocrystalline Inorganic materials 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/058—Construction or manufacture
- H01M10/0585—Construction or manufacture of accumulators having only flat construction elements, i.e. flat positive electrodes, flat negative electrodes and flat 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
- H01M50/50—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
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/34—Gastight accumulators
-
- 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
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Connection Of Batteries Or Terminals (AREA)
Abstract
Description
Die
Erfindung betrifft eine galvanische Flachzelle für eine
Batterie gemäß dem Oberbegriff des Anspruchs 1.The
The invention relates to a galvanic flat cell for a
Battery according to the preamble of
Nach dem Stand der Technik sind Hochvolt-Batterien, z. B. Lithium-Ionen-Batterien, für Fahrzeuganwendungen bekannt, die insbesondere aus mehreren elektrisch in Reihe und/oder parallel verschalteten Einzelzellen aufgebaut sind.To the prior art are high-voltage batteries, z. B. lithium-ion batteries, known for vehicle applications, in particular from several electrically in series and / or parallel interconnected single cells are constructed.
Insbesondere in Elektrofahrzeugen, Hybridfahrzeugen und Mildhybridfahrzeugen werden aus galvanischen Flachzellen (auch Einzelzellen genannt) gebildete Batterien eingesetzt.Especially in electric vehicles, hybrid vehicles and mild hybrid vehicles are made of galvanic flat cells (also called single cells) formed batteries used.
Aus
der
Der Erfindung liegt die Aufgabe zugrunde, eine gegenüber dem Stand der Technik verbesserte galvanische Flachzelle für eine Batterie anzugeben.Of the Invention is based on the object, a relation to the Prior art improved galvanic flat cell for to specify a battery.
Die
Aufgabe wird erfindungsgemäß gelöst durch
eine galvanische Flachzelle für eine Batterie mit den Merkmalen
des Anspruchs 1.The
The object is achieved by
a galvanic flat cell for a battery with the features
of
Vorteilhafte Weiterbildungen der Erfindung sind Gegenstand der Unteransprüche.advantageous Further developments of the invention are the subject of the dependent claims.
Bei
der erfindungsgemäßen galvanischen Flachzelle
für eine Batterie, wobei die Flachzelle aus einem Elektrodenstapel
(
Somit wird ein Kontakt des Elektrodenstapels mit dem Luftsauerstoff verringert oder verhindert. Dadurch wird eine Explosionsgefahr der galvanischen Flachzelle vermindert.Consequently a contact of the electrode stack is reduced with the oxygen in the air or prevented. This creates a risk of explosion of the galvanic Flat cell diminished.
Die erfindungsgemäße galvanische Flachzelle ist insbesondere zu einer Verwendung in einer Batterie vorgesehen, wobei mehrere galvanische Flachzellen elektrisch seriell und/oder parallel miteinander verschaltet sind, um in vorteilhafter Weise die Eigenschaften der Batterie an einen Verwendungszweck dieser anzupassen.The Galvanic flat cell according to the invention is in particular intended for use in a battery, wherein several galvanic flat cells electrically series and / or parallel to each other are interconnected to advantageously the properties of Battery to a purpose of adapting this.
Ferner eignet sich die galvanische Flachzelle aufgrund ihrer Eigenschaften insbesondere zu einer Verwendung in einer Batterie eines Fahrzeugs, wobei wiederum mehrere galvanische Flachzellen elektrisch seriell und/oder parallel miteinander verschaltet sind. Bei dem Fahrzeug handelt es sich insbesondere um ein Hybridfahrzeug oder ein Elektrofahrzeug.Further The galvanic flat cell is suitable for its properties in particular for use in a battery of a vehicle, in turn, several galvanic flat cells electrically serial and / or connected in parallel with each other. In the vehicle it is in particular a hybrid vehicle or an electric vehicle.
Ausführungsbeispiele der Erfindung werden im Folgenden anhand von Zeichnungen näher erläutert.embodiments The invention will be described in more detail below with reference to drawings explained.
Dabei zeigen:there demonstrate:
Einander entsprechende Teile sind in allen Figuren mit den gleichen Bezugszeichen versehen.each other corresponding parts are in all figures with the same reference numerals Mistake.
In
Der
Elektrodenstapel
Dabei
sind die Elektroden bzw. die Elektrodenfolien jeweils mit einem
elektrochemisch aktiven Anodenmaterial bzw. Kathodenmaterial beschichtet. Da
es sich bei der galvanischen Flachzelle
Ein
nach außerhalb des Elektrodenstapels
Gemäß einer
nicht näher dargestellten Weiterführung der Erfindung
werden die Stromableiterfahnen in einem gesonderten Verfahren zu
den Polen
Zu
einer externen elektrischen Verschaltung mehrerer Flachzellen
Der
Elektrodenstapel
In
einer möglichen Ausführungsform der Erfindung
werden zwei gleich große Folien
Die
Größe der beiden Folien
In
In
einer vorteilhaften Ausführungsform der Erfindung ist die
Folie
Die
Größe der Folie
In
einer weiteren vorteilhaften Ausführungsform der Erfindung
ist die Folie
Auch
in dieser Ausführungsform ist die Größe
der Folie
In
allen Ausführungsformen der Erfindung wird das Restvolumen
innerhalb der Folie mit einem Inertgas
Das
Inertgas
Durch
die gasdichte Umhüllung des Elektrodenstapels
Durch
die zusätzliche Anordnung des Inertgases
Zur
Herstellung einer nicht näher dargestellten Batterie sind
mehrere der Einzelzellen
BezugszeichenlisteLIST OF REFERENCE NUMBERS
- 11
- galvanische Flachzellegalvanic flat cell
- 22
- Elektrodenstapelelectrode stack
- 33
- Foliefoil
- 4.1 und 4.24.1 and 4.2
- Polpole
- 55
- PolableiterfahnePolableiterfahne
- 66
- Inertgasinert gas
- 77
- Stirnkantefront edge
ZITATE ENTHALTEN IN DER BESCHREIBUNGQUOTES 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 The documents listed by the applicant have been automated generated and is solely for better information recorded by the reader. The list is not part of the German Patent or utility model application. The DPMA takes over no liability for any errors or omissions.
Zitierte PatentliteraturCited patent literature
- - DE 4240339 C1 [0004] - DE 4240339 C1 [0004]
Claims (8)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102009035484A DE102009035484A1 (en) | 2009-07-31 | 2009-07-31 | Galvanic flat cell for lithium ion battery in vehicle e.g. electric vehicle, has electrode stack with electrodes that are of same polarity, where electrode stack is gas tightly surrounded by foil made of plastic |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102009035484A DE102009035484A1 (en) | 2009-07-31 | 2009-07-31 | Galvanic flat cell for lithium ion battery in vehicle e.g. electric vehicle, has electrode stack with electrodes that are of same polarity, where electrode stack is gas tightly surrounded by foil made of plastic |
Publications (1)
Publication Number | Publication Date |
---|---|
DE102009035484A1 true DE102009035484A1 (en) | 2011-02-03 |
Family
ID=43402621
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE102009035484A Withdrawn DE102009035484A1 (en) | 2009-07-31 | 2009-07-31 | Galvanic flat cell for lithium ion battery in vehicle e.g. electric vehicle, has electrode stack with electrodes that are of same polarity, where electrode stack is gas tightly surrounded by foil made of plastic |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE102009035484A1 (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102010021148A1 (en) * | 2010-05-21 | 2011-11-24 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Bag cell battery assembly and corresponding method of manufacture and use |
WO2013023773A1 (en) * | 2011-08-17 | 2013-02-21 | Li-Tec Battery Gmbh | Energy storage device |
AT511819A4 (en) * | 2011-09-15 | 2013-03-15 | Avl List Gmbh | ELECTRIC ENERGY STORAGE |
US8544875B2 (en) | 2010-05-03 | 2013-10-01 | Dr. Ing. H.C.F. Porsche Aktiengesellschaft | Airbag housing of an airbag system, and airbag system |
DE102015104274A1 (en) | 2015-03-23 | 2016-09-29 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Method for investigating the tightness of a closed housing of an electrical component |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4240339C1 (en) | 1992-12-01 | 1993-12-09 | Deutsche Automobilgesellsch | Electrochemical accumulator design - has electrode plates of different polarity stacked on each other with each plate formed from metallised electrode frame with bend resisting current lead=off lugs fixed electrically conducting to pole bridge |
-
2009
- 2009-07-31 DE DE102009035484A patent/DE102009035484A1/en not_active Withdrawn
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4240339C1 (en) | 1992-12-01 | 1993-12-09 | Deutsche Automobilgesellsch | Electrochemical accumulator design - has electrode plates of different polarity stacked on each other with each plate formed from metallised electrode frame with bend resisting current lead=off lugs fixed electrically conducting to pole bridge |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8544875B2 (en) | 2010-05-03 | 2013-10-01 | Dr. Ing. H.C.F. Porsche Aktiengesellschaft | Airbag housing of an airbag system, and airbag system |
DE102010021148A1 (en) * | 2010-05-21 | 2011-11-24 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Bag cell battery assembly and corresponding method of manufacture and use |
US9048463B2 (en) | 2010-05-21 | 2015-06-02 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Pouch-cell battery arrangement and corresponding production method and use |
WO2013023773A1 (en) * | 2011-08-17 | 2013-02-21 | Li-Tec Battery Gmbh | Energy storage device |
AT511819A4 (en) * | 2011-09-15 | 2013-03-15 | Avl List Gmbh | ELECTRIC ENERGY STORAGE |
AT511819B1 (en) * | 2011-09-15 | 2013-03-15 | Avl List Gmbh | ELECTRIC ENERGY STORAGE |
DE102015104274A1 (en) | 2015-03-23 | 2016-09-29 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Method for investigating the tightness of a closed housing of an electrical component |
US10088382B2 (en) | 2015-03-23 | 2018-10-02 | Dr. Ing. H.C.F. Porsche Aktiengesellschaft | Method for examining the leaktightness of a closed housing of an electrical component |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
R005 | Application deemed withdrawn due to failure to request examination |