DE102012200724A1 - Housing cover for a battery housing and a method for producing the housing cover - Google Patents
Housing cover for a battery housing and a method for producing the housing cover Download PDFInfo
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- DE102012200724A1 DE102012200724A1 DE102012200724A DE102012200724A DE102012200724A1 DE 102012200724 A1 DE102012200724 A1 DE 102012200724A1 DE 102012200724 A DE102012200724 A DE 102012200724A DE 102012200724 A DE102012200724 A DE 102012200724A DE 102012200724 A1 DE102012200724 A1 DE 102012200724A1
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- cover plate
- housing
- housing cover
- cover
- battery
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- 238000004519 manufacturing process Methods 0.000 title abstract description 7
- 229910052782 aluminium Inorganic materials 0.000 claims description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 claims description 2
- 229910000831 Steel Inorganic materials 0.000 claims description 2
- 239000012777 electrically insulating material Substances 0.000 claims description 2
- 229910001416 lithium ion Inorganic materials 0.000 claims description 2
- 239000010959 steel Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 3
- 238000009413 insulation Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 229910044991 metal oxide Inorganic materials 0.000 description 2
- 150000004706 metal oxides Chemical class 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000003466 welding 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
- 238000004026 adhesive bonding Methods 0.000 description 1
- 238000002048 anodisation reaction Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000012811 non-conductive material 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
- 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
- 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
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/058—Construction or manufacture
-
- 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
- H01M50/147—Lids or covers
- H01M50/148—Lids or covers characterised by their shape
- H01M50/15—Lids or covers characterised by their shape for prismatic or rectangular 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
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/147—Lids or covers
- H01M50/155—Lids or covers characterised by the material
- H01M50/157—Inorganic material
- H01M50/159—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
- H01M50/50—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
-
- 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
- H01M50/562—Terminals 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
- 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
-
- 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)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Connection Of Batteries Or Terminals (AREA)
- Sealing Battery Cases Or Jackets (AREA)
Abstract
Es wird ein Gehäusedeckel (10) für Batteriezellen beschrieben, wobei der Gehäusedeckel (10) eine metallische Deckplatte (12) umfasst, auf deren Oberseite ein erster Polanschluss (17), der elektrisch leitend mit der Deckplatte (12) verbunden ist, und ein zweiter Polanschluss (18), der elektrisch isoliert zur Deckplatte (12) ist, angeordnet sind. Der erste und/oder zweite Polanschluss (17, 18) ist einstückig mit der Deckplatte (12) verbunden. Ferner betrifft die Erfindung ein Verfahren, welches zur Herstellung des Gehäusedeckels (10) verwendet wird.A housing cover (10) for battery cells is described, wherein the housing cover (10) comprises a metallic cover plate (12), on whose upper side a first pole connection (17), which is electrically conductively connected to the cover plate (12), and a second Pole terminal (18) which is electrically insulated to the cover plate (12) are arranged. The first and / or second pole terminal (17, 18) is integrally connected to the cover plate (12). Furthermore, the invention relates to a method which is used for the production of the housing cover (10).
Description
Die vorliegende Erfindung betrifft einen Gehäusedeckel für ein Batteriegehäuse, eine Batterie, die den Gehäusedeckel enthält, sowie ein dazugehöriges Herstellungsverfahren für den Gehäusedeckel.The present invention relates to a housing cover for a battery housing, a battery containing the housing cover, and an associated manufacturing method for the housing cover.
Stand der TechnikState of the art
Es zeichnet sich ab, dass in Zukunft sowohl bei stationären Anwendungen (zum Beispiel bei Windkraftanlagen), in Fahrzeugen (zum Beispiel in Hybrid- und Elektrofahrzeugen) als auch im Bereich der Konsumgüter (zum Beispiel Laptops und Mobiltelefone) vermehrt wiederaufladbare Batterien zum Einsatz kommen werden, an die sehr hohe Anforderungen bezüglich Zuverlässigkeit, Leistungsfähigkeit und Lebensdauer gestellt werden. Ein wichtiger Parameter der Leistungsfähigkeit ist die praktisch spezifische Energiedichte. Sie wird in Wattstunden pro Kilogramm (Wh/kg) gemessen und gibt an, wie viel Energie in einem Kilogramm Batterie gespeichert werden können. Es ist daher das Bestreben der Hersteller, das Gewicht zu reduzieren, um diesen Wert zu steigern. Ferner müssen für die Massenproduktion von Batterien taugliche Herstellungsverfahren und Ausgestaltungen der Batterien entwickelt werden. It is becoming apparent that in the future, more and more rechargeable batteries will be used both in stationary applications (for example in wind turbines), in vehicles (for example in hybrid and electric vehicles) and in consumer goods (for example laptops and mobile phones) which are subject to very high demands with regard to reliability, performance and service life. An important parameter of performance is the practically specific energy density. It is measured in watt-hours per kilogram (Wh / kg) and indicates how much energy can be stored in one kilogram of battery. It is therefore the effort of the manufacturers to reduce the weight in order to increase this value. Furthermore, manufacturing processes and configurations of the batteries suitable for the mass production of batteries must be developed.
Die elektrochemischen Elemente gängiger Sekundärbatterien reagieren empfindlich auf äußere Einflüsse, wie Luft oder Feuchtigkeit, und müssen daher so gut wie möglich geschützt werden. Diesen Schutz gewährleistet in der Regel ein Hartschalen-Batteriegehäuse. Es besteht zumeist aus zwei Teilen, dem Gehäuse zur Aufnahme der elektrochemischen Elemente und einem das Gehäuse abdichtenden Gehäusedeckel. Die beiden Bauteile werden beispielsweise durch Schweißung miteinander verbunden. Das Batteriegehäuse basiert in der Regel auf einem metallischen Werkstoff, beispielsweise kann es aus Aluminium bestehen. Der Gehäusedeckel umfasst zumeist eine metallische Deckplatte, auf deren Oberseite sich die beiden Polanschlüsse befinden. Einer der Polanschlüsse ist dabei vom Gehäuse elektrisch isoliert. Derartige Hartschalen-Batteriegehäuse von Lithium-Ionen-Batterien sind beispielsweise
Offenbarung der ErfindungDisclosure of the invention
Die Erfindung geht aus von einem Gehäusedeckel für ein Batteriegehäuse, wobei der Gehäusedeckel eine metallische Deckplatte umfasst, auf deren Oberseite ein erster Polanschluss, der elektrisch leitend mit der Deckplatte verbunden ist, und ein zweiter Polanschluss, der elektrisch isoliert zur Deckplatte ist, angeordnet sind. Der Gehäusedeckel zeichnet sich dadurch aus, dass der erste und/oder zweite Polanschluss einstückig mit der Deckplatte verbunden ist.The invention is based on a housing cover for a battery housing, wherein the housing cover comprises a metallic cover plate, on the upper side of which a first pole connection, which is electrically conductively connected to the cover plate, and a second pole connection, which is electrically insulated from the cover plate, are arranged. The housing cover is characterized in that the first and / or second pole terminal is integrally connected to the cover plate.
Der Erfindung liegt die Erkenntnis zugrunde, dass sich der Herstellungsprozess der Batterie, speziell der Anschluss der Pole, wesentlich vereinfachen lässt, wenn die Pole bereits fester Bestandteil des Gehäusedeckels sind und nicht erst aus einzelnen Bestandteilen zusammengesetzt werden müssen. Dazu ist erfindungsgemäß vorgesehen, dass zumindest einer der beiden Polanschlüsse, vorzugsweise beide, einstückig mit der metallischen Deckplatte verbunden sind. Mit anderen Worten, Deckplatte und Polanschlüsse sind nicht voneinander lösbar, sondern bilden eine Einheit. Der Polanschluss wird dabei vorzugsweise rein kraftschlüssig und dichtend in einer Aussparung der Deckplatte gehalten. In diesem Fall kann auf den Einsatz weiterer Fügeverfahren, wie zum Beispiel Schweißen oder Kleben, verzichtet werden. Der Polanschluss kann beispielsweise die Form eines Bolzens annehmen, der dichtend in einer kreisrunden Aussparung der Deckplatte sitzt. An der Unterseite der Deckplatte erfolgt der Anschluss des elektrochemischen Elementes der Batterie über die Ableiter.The invention is based on the finding that the manufacturing process of the battery, especially the connection of the poles, can be substantially simplified if the poles are already an integral part of the housing cover and do not have to be assembled from individual components. For this purpose, the invention provides that at least one of the two pole terminals, preferably both, are integrally connected to the metallic cover plate. In other words, cover plate and pole terminals are not detachable from each other, but form a unit. The pole connection is preferably held purely positively and sealingly in a recess of the cover plate. In this case, the use of further joining methods, such as welding or gluing, can be dispensed with. The pole connection can for example take the form of a bolt which sits sealingly in a circular recess of the cover plate. At the bottom of the cover plate, the connection of the electrochemical element of the battery via the arrester.
Der erste Polanschluss kann aus Aluminium und der zweite Polanschluss aus Kupfer geformt sein. Die Deckplatte kann aus Aluminium oder Stahl bestehen.The first pole terminal may be formed of aluminum and the second pole terminal of copper. The cover plate can be made of aluminum or steel.
Die Deckplatte weist vorzugsweise einen den zweiten Polanschluss umlaufenden Bereich auf, der aus einem elektrisch isolierenden Material besteht. Insbesondere besteht der Bereich aus einem Oxid des Metalls, aus dem die Deckplatte geformt ist. The cover plate preferably has a region surrounding the second pole connection, which consists of an electrically insulating material. In particular, the region consists of an oxide of the metal from which the cover plate is formed.
Gemäß dieser Ausführungsform ist die Isolierung integraler Bestandteil der Deckplatte, muss also nicht als separates Element bei der Montage verbaut werden. Auch kann durch diese komprimierte Ausführung jedwede Undichtigkeit im Bereich der Isolierung verhindert werden. Der Bereich kann beispielsweise durch ein anodisches Oxidationsverfahren auf dem Rohling der metallischen Deckplatte erzeugt werden. Bei der Anodisierung wird das Metall der Deckplatte in sein entsprechendes Metalloxid überführt, welches nicht elektrisch leitfähig ist.According to this embodiment, the insulation is an integral part of the cover plate, so does not have to be installed as a separate element during assembly. Also can be prevented by this compressed design any leaks in the field of insulation. The region can be produced for example by an anodic oxidation process on the blank of the metallic cover plate. During the anodization, the metal of the cover plate is converted into its corresponding metal oxide, which is not electrically conductive.
Vorteilhafte Weiterbildungen der Erfindung sind in den Unteransprüchen angegeben und in der Beschreibung beschrieben.Advantageous developments of the invention are specified in the subclaims and described in the description.
Zeichnungendrawings
Ausführungsbeispiele der Erfindung werden anhand der Zeichnungen und der nachfolgenden Beschreibung näher erläutert. Es zeigen:Embodiments of the invention will be explained in more detail with reference to the drawings and the description below. Show it:
Ausführungsformen der ErfindungEmbodiments of the invention
Der zweite Polanschluss
Die beiden Polanschlüsse
Der
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
- US 7858227 B2 [0003] US 7858227 B2 [0003]
- US 7592096 B2 [0003] US 7592096 B2 [0003]
Claims (8)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102012200724A DE102012200724A1 (en) | 2012-01-19 | 2012-01-19 | Housing cover for a battery housing and a method for producing the housing cover |
PCT/EP2013/050654 WO2013107732A1 (en) | 2012-01-19 | 2013-01-15 | Housing cover for a battery housing and a method for producing said housing cover |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102012200724A DE102012200724A1 (en) | 2012-01-19 | 2012-01-19 | Housing cover for a battery housing and a method for producing the housing cover |
Publications (1)
Publication Number | Publication Date |
---|---|
DE102012200724A1 true DE102012200724A1 (en) | 2013-07-25 |
Family
ID=47559491
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE102012200724A Withdrawn DE102012200724A1 (en) | 2012-01-19 | 2012-01-19 | Housing cover for a battery housing and a method for producing the housing cover |
Country Status (2)
Country | Link |
---|---|
DE (1) | DE102012200724A1 (en) |
WO (1) | WO2013107732A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102015215245A1 (en) * | 2015-08-11 | 2017-02-16 | Bayerische Motoren Werke Aktiengesellschaft | Cover for a storage cell |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107017361A (en) * | 2017-05-24 | 2017-08-04 | 深圳市长盈精密技术股份有限公司 | Cover plate of power battery and its electrokinetic cell |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7592096B2 (en) | 2004-10-18 | 2009-09-22 | Samsung Sdi Co., Ltd. | Lithium ion secondary battery |
US7858227B2 (en) | 2005-05-18 | 2010-12-28 | Samsung Sdi Co., Ltd. | Lithium secondary battery |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4391609B2 (en) * | 1998-09-30 | 2009-12-24 | 株式会社ジーエス・ユアサコーポレーション | Non-aqueous electrolyte secondary battery for battery pack |
JP2011192386A (en) * | 2008-06-10 | 2011-09-29 | Hitachi Maxell Ltd | Method of manufacturing sealed battery |
US8501341B2 (en) * | 2010-06-30 | 2013-08-06 | Samsung Sdi Co., Ltd. | Rechargeable battery |
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2012
- 2012-01-19 DE DE102012200724A patent/DE102012200724A1/en not_active Withdrawn
-
2013
- 2013-01-15 WO PCT/EP2013/050654 patent/WO2013107732A1/en active Application Filing
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7592096B2 (en) | 2004-10-18 | 2009-09-22 | Samsung Sdi Co., Ltd. | Lithium ion secondary battery |
US7858227B2 (en) | 2005-05-18 | 2010-12-28 | Samsung Sdi Co., Ltd. | Lithium secondary battery |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102015215245A1 (en) * | 2015-08-11 | 2017-02-16 | Bayerische Motoren Werke Aktiengesellschaft | Cover for a storage cell |
DE102015215245B4 (en) * | 2015-08-11 | 2017-10-26 | Bayerische Motoren Werke Aktiengesellschaft | Lid for a memory cell, memory cell and method for manufacturing a lid for a memory cell |
Also Published As
Publication number | Publication date |
---|---|
WO2013107732A1 (en) | 2013-07-25 |
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