EP2311117A1 - Battery lid structure comprising a battery terminal - Google Patents

Battery lid structure comprising a battery terminal

Info

Publication number
EP2311117A1
EP2311117A1 EP09768826A EP09768826A EP2311117A1 EP 2311117 A1 EP2311117 A1 EP 2311117A1 EP 09768826 A EP09768826 A EP 09768826A EP 09768826 A EP09768826 A EP 09768826A EP 2311117 A1 EP2311117 A1 EP 2311117A1
Authority
EP
European Patent Office
Prior art keywords
battery
cover
terminal
recess
pole
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Withdrawn
Application number
EP09768826A
Other languages
German (de)
French (fr)
Inventor
Günther C. BAUER
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
IQ Power Licensing AG
Original Assignee
IQ Power Licensing AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by IQ Power Licensing AG filed Critical IQ Power Licensing AG
Publication of EP2311117A1 publication Critical patent/EP2311117A1/en
Withdrawn legal-status Critical Current

Links

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
    • H01M50/50—Current conducting connections for cells or batteries
    • H01M50/543—Terminals
    • 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
    • H01M50/564—Terminals characterised by their manufacturing process
    • H01M50/567—Terminals characterised by their manufacturing process by fixing means, e.g. screws, rivets or bolts
    • 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
    • H01M50/147—Lids or covers
    • 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
    • H01M50/183—Sealing members
    • 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
    • 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
    • H01M50/569—Constructional details of current conducting connections for detecting conditions inside cells or batteries, e.g. details of voltage sensing terminals
    • 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
    • H01M50/571—Methods or arrangements for affording protection against corrosion; Selection of materials therefor
    • 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)
  • Sealing Battery Cases Or Jackets (AREA)
  • Battery Mounting, Suspending (AREA)
  • Secondary Cells (AREA)

Abstract

The invention relates to a battery lid structure comprising a battery terminal and more particularly a battery lid structure for a liquid electrolyte battery. The invention has the following features: a battery terminal (1) that has a fastening section (1a), a clamping section (1b), and at least one measuring terminal section (1c1, 1c2), and a battery lid (2), within which the battery terminal (1) including the fastening section (1a) is fastened. The battery lid (2) has a flat cavity (3) around the battery terminal (1) in order to accommodate the measuring terminal section (1c1, 1c2). Said cavity (3) is fitted with a cover (4), and a sealing material is placed inside the cavity (3).

Description

Batteriedeckelkonstruktion mit Batteriepol Battery cover construction with battery pole
Die Erfindung betrifft eine Batteriedeckelkonstruktion mit einem Batteriepol, und insbesondere eine Batteriedeckelkonstruktion für eine Flüssigelektrolytbatterie.The invention relates to a battery cover construction with a battery pole, and more particularly to a battery cover construction for a liquid electrolyte battery.
Aus dem Stand der Technik sind eine Vielzahl von Batteriepolkonstruktionen bekannt, wie z. B. aus den Dokumenten DE 10 2005 030 992 A1 , DE 41 27 956 B4, DE 103 01 043 B3, DE 689 10 878 T2, DE 689 13 339 T2, DE 198 60 198 C2, DE 34 17 521 C2, DE 696 12 537 T2. Diese Batteriepolkonstruktionen sind so ausgelegt, dass sie flüssigkeits- und gasdicht sein sollen.From the prior art, a variety of Batteriepolkonstruktionen are known, such. B. from the documents DE 10 2005 030 992 A1, DE 41 27 956 B4, DE 103 01 043 B3, DE 689 10 878 T2, DE 689 13 339 T2, DE 198 60 198 C2, DE 34 17 521 C2, DE 696 12,537 T2. These battery pole designs are designed to be liquid and gas tight.
Weiterhin ist bekannt, dass an den Batteriepolen auch Sensoren oder Messleitungen angeordnet sind. Dabei treten folgende grundsätzliche Probleme auf: Die Kontaktstellen, an denen die Sensoren oder die Messleitungen an den Batteriepolen angeschlossen sind, müssen gut geschützt sein. Dieser Schutz bezieht sich auf chemische und mechanische Einflüsse. Wenn z. B. aggressive Elektrolytflüssigkeit an die Kontaktstellen gelangt, entsteht durch Korrosion ein zusätzlicher elektrischer Widerstand, der das Messergebnis verfälscht. Außerdem kann durch die Korrosion die mechanische Stabilität der Kontaktstelle vermindert werden, sodass die Messleitungen bei geringer mechanischer Belastung abbrechen können.Furthermore, it is known that sensors or measuring lines are arranged at the battery poles. The following basic problems occur: The contact points where the sensors or the test leads are connected to the battery poles must be well protected. This protection relates to chemical and mechanical influences. If z. B. aggressive electrolyte fluid reaches the contact points caused by corrosion an additional electrical resistance, which falsifies the measurement result. In addition, the corrosion can reduce the mechanical stability of the contact point, so that the test leads can break off with little mechanical stress.
Weiterhin ist jedoch auch ein Schutz vor mechanischer Beschädigung erforderlich, denn in der Praxis werden derartige Batterien auch mit einem Hoch- druck-Wasserstrahl gereinigt, wodurch die KontaKtstellen nicht beschädigt werden dürfen.Furthermore, protection against mechanical damage is also required, because in practice such batteries are also cleaned water jet, which should not damage the KontaKtstellen.
In den Dokumenten DE 199 61 311 A1 , DE 101 18 051 A1 , DE 35 32 044 A1 , DE 696 16 306 12, US 45 72 878, EP 12 04 165 A1 , WO 99/54 744 A1 sind Batteriepole mit zusätzlichen Anschlussleitungen oder mit Sensoren offenbart. Es zeigt sich, dass es grundsätzlich schwierig ist, die Anforderungen eines Schutzes gegen aggressive Medien und vor mechanischer Beschädigung gleich gut zu erfüllen, wenn der konstruktive Aufwand dafür ge- ring sein soll. Besonders schwierig ist die Forderung bei Standardbatterien zu erfüllen, wenn die Abmaße des Gehäuses und des Elektrodenpakets weitgehend erhalten werden sollen.In the documents DE 199 61 311 A1, DE 101 18 051 A1, DE 35 32 044 A1, DE 696 16 306 12, US 45 72 878, EP 12 04 165 A1, WO 99/54 744 A1 are battery terminals with additional connecting cables or revealed with sensors. It turns out that it is fundamentally difficult to meet the requirements of protection against aggressive media and mechanical damage equally well, if the design effort for it is to be low. The demand for standard batteries is particularly difficult to meet if the dimensions of the housing and the electrode package should be largely maintained.
Es ist somit die Aufgabe der Erfindung, eine Batteriepolkonstruktion bereit- zustellen, die einen zuverlässigen Schutz vor Feuchtigkeit und gegen mechanische Beschädigung eines Batteriepols mit daran angeschlossenen Messleitungen gewährleistet. Eine besondere Forderung besteht darin, dass der Aufwand eines solchen Schutzes gering sein soll und keine wesentlichen Änderungen gegenüber herkömmlichen Batteriepolkonstruktionen er- fordern soll.It is therefore the object of the invention to provide a battery pole construction which ensures reliable protection against moisture and against mechanical damage to a battery pole with measuring leads connected thereto. A particular requirement is that the cost of such protection should be low and should not require any significant changes compared to conventional battery pole designs.
Diese Aufgabe wird mittels einer Batteriedeckelkonstruktion mit einem Batteriepol nach Anspruch 1 gelöst.This object is achieved by means of a battery cover construction with a battery pole according to claim 1.
Nachfolgende Beschreibung bezieht sich auf einen einzigen Batteriepol und dessen Anordnung im Batteriedeckel, obgleich an einem Batteriedeckel mehrere Batteriepole angeordnet sind, die jedoch gleichartig ausgeführt sind.The following description refers to a single battery pole and its arrangement in the battery cover, although a plurality of battery poles are arranged on a battery cover, but are made the same way.
In dem Batteriedeckel ist ein Batteriepol angeordnet und auf herkömmliche Weise befestigt, z. B. formschlüssig eingeklemmt. An dem Batteriepol ist wenigstens ein Messpolabschnitt vorgesehen, der sich ausgehend vom Batteriepol seitwärts in der Batteriedeckelebene erstreckt. An diesem Messpol- abschnitt ist eine Messleitung auf herkömmliche Weise anschließbar, um den Batteriepol herum ist in dem Batteriedeckel eine flache Ausnehmung vorgesehen, die mit einer Abdeckung abgedeckt ist. In dieser Ausnehmung liegt der Messpolabschnitt. Die Ausnehmung ist mit einer elastischen Dicht- masse ausgefüllt. Somit sind auch der Messpolabschnitt, ein Stück der Messleitung und insbesondere die Kontaktstelle, an der die Messleitung mit dem Messpolabschnitt verbunden ist, mit der elastischen Dichtmasse umgeben und gegenüber Flüssigkeiten und Dämpfen gut geschützt. Derartige Dichtmassen sind dem Fachmann bekannt, sodass auf die Nennung von Produktnamen verzichtet werden kann. Aufgrund der elastischen Eigenschaften dieser Dichtmassen entstehen bei Temperaturschwankungen keine Haarrisse, in die z. B. aggressive Elektrolytflüssigkeit eindringen würde. Diese Gefahr besteht bei festen Vergussmassen, die eine höhere mechanische Stabilität aufweisen. Daher ist eine Abdeckung aus einem stabilen Ma- terial, vorzugsweise Kunststoff vorgesehen, die die flache Ausnehmung abdeckt, wobei die Abdeckung so dimensioniert ist, sodass selbst ein Hochdruckwasserstrahl oder ein auf die Abdeckung gefallenes Werkzeug, wie z. B. ein Schraubenzieher, keinen Schaden verursacht.In the battery cover a battery pole is arranged and fixed in a conventional manner, for. B. positively clamped. At least one measuring pole section is provided on the battery pole, which extends from the battery pole laterally in the battery cover plane. At this measuring pole section, a measuring lead is conventionally connectable, around the battery post a flat recess is provided in the battery cover, which is covered with a cover. In this recess is the Meßpolabschnitt. The recess is filled with an elastic sealing compound. Thus, the Meßpolabschnitt, a piece of the measuring line and in particular the contact point at which the measuring line is connected to the Meßpolabschnitt, surrounded with the elastic sealant and well protected against liquids and vapors. Such sealants are known in the art, so that can be dispensed with the naming of product names. Due to the elastic properties of these sealants arise in temperature fluctuations no hairline cracks in the z. B. aggressive electrolyte fluid would penetrate. This danger exists with solid potting compounds, which have a higher mechanical stability. Therefore, a cover of a stable material, preferably plastic material is provided, which covers the shallow recess, wherein the cover is dimensioned so that even a high-pressure water jet or a fallen on the cover tool such. As a screwdriver, no harm caused.
Nach Anspruch 2 ist die Abdeckung mittels einer Clip-Halterung auf der Ausnehmung befestigbar. Diese Clip-Halterungen sind bei der Herstellung des Deckels leicht und kostengünstig herstellbar, halten sehr zuverlässig zu und dichten gut ab.According to claim 2, the cover by means of a clip holder on the recess can be fastened. These clip holders are easy and inexpensive to produce in the manufacture of the lid, hold very reliable and seal well.
Nach Anspruch 3 ist die Abdeckung mittels eines Klebestreifens auf der Ausnehmung befestigt. Diese Alternative zu der Ausführungsform nach Anspruch 2 ist besonders kostengünstig.According to claim 3, the cover is secured by means of an adhesive strip on the recess. This alternative to the embodiment according to claim 2 is particularly inexpensive.
Die Erfindung wird nachfolgend anhand eines Ausführungsbeispiels und von Zeichnungen erläutert:The invention is explained below with reference to an embodiment and drawings:
Fig. 1 zeigt die perspektivische Ansicht eines Batteriedeckels mit der Erfindung. Fig. 1a zeigt einen Batteriepol.Fig. 1 shows the perspective view of a battery cover with the invention. Fig. 1a shows a battery terminal.
In einem Batteriedeckel 2 ist ein Batteriepol 1 formschlüssig befestigt. An dem Batteriepol 1 sind in diesem Ausführungsbeispiel zwei Messpolabschnitte 1ci, 1c2 vorgesehen, an denen je eine Messleitung anschließbar ist, z. B. durch Löten, Schweißen oder mittels einer Klemmschraube. Um den Batteriepol 1 herum ist in dem Batteriedeckel 2 eine flache Ausnehmung 3 vorgesehen, die mit einer Abdeckung 4 abdeckbar ist. Die Messpolabschnit- te 1ci, 1c2 liegen einander gegenüber und erstrecken sich waagerecht liegend in dieser Ausnehmung. Die Ausnehmung 3 ist vorzugsweise vollständig mit einer elastischen Dichtmasse gefüllt, sodass die Messpolabschnitte 1ci, Ic2 vollständig in der Dichtmasse eingebettet und so vor Feuchtigkeit und aggressiven Dämpfen geschützt sind. Eine Abdeckung 4 ist vorzugs- weise aus dem gleichen Material hergestellt wie der Batteriedeckel 2 selbst, sodass ein sicherer Schutz gegen mechanische Belastung gewährleistet ist. Eine randseitige Clip-Halterung 5 gewährleistet eine sehr sichere Verbindung der Abdeckung 4 auf der Ausnehmung 3. Die Aussparung 6 ermöglicht die Weiterführung der Messleitungen (nicht gezeigt).In a battery cover 2, a battery 1 is positively secured. At the battery terminal 1 two Meßpolabschnitte 1ci, 1c2 are provided in this embodiment, to each of which a measuring line is connected, for. B. by soldering, welding or by means of a clamping screw. To the battery 1 around a flat recess 3 is provided in the battery cover 2, which is coverable with a cover 4. The measuring pole sections 1ci, 1c 2 lie opposite one another and extend horizontally in this recess. The recess 3 is preferably completely filled with an elastic sealant, so that the Meßpolabschnitte 1ci, Ic 2 completely embedded in the sealant and are protected from moisture and aggressive vapors. A cover 4 is preferably made of the same material as the battery cover 2 itself, so that a secure protection against mechanical stress is ensured. A peripheral clip holder 5 ensures a very secure connection of the cover 4 on the recess 3. The recess 6 allows the continuation of the measuring lines (not shown).
Die beschriebene Ausführungsform ist die beste Ausführungsform der Erfindung. Anhand der beschriebenen Ausführungsformen kann der Fachmann die technische Lehre der vorliegenden Erfindung vollständig entnehmen. Es ist klar, dass diese Ausführungsformen durch einen Fachmann mithilfe der erfindungsgemäßen Lehre weiterentwickelt und modifiziert oder kombiniert werden können. Daher fallen auch diese, nicht explizit genannten oder gezeigten weiteren Ausführungsformen in den Schutzbereich der nachfolgenden Patentansprüche. The described embodiment is the best embodiment of the invention. On the basis of the described embodiments, the expert can completely remove the technical teaching of the present invention. It is clear that these embodiments can be further developed and modified or combined by a person skilled in the art with the aid of the teaching according to the invention. Therefore, these, not explicitly mentioned or shown further embodiments fall within the scope of the following claims.

Claims

Ansprüche claims
1. Batteriepol aufweisende Batteriedeckelkonstruktion mit nachfolgenden Merkmalen:1. Battery terminal having battery terminal construction with the following features:
- einem Batteriepol (1) mit einem Befestigungsabschnitt (1a), einem Klemmabschnitt (1b) und wenigstens einem Messpolabschnitt (1ci, Ic2) und- A battery pole (1) with a mounting portion (1 a), a clamping portion (1 b) and at least one Meßpolabschnitt (1ci, Ic 2 ) and
- einem Batteriedeckel (2), in welchem der Batteriepol (1) mit seinem Befes- tigungsabschnitt (1a) befestigt ist, wobei der Batteriedeckel (2) um den Bat- teriepol (1) herum- A battery cover (2) in which the battery pole (1) with its fastening portion (1 a) is fixed, wherein the battery cover (2) around the battery teriepol (1) around
- eine flache Ausnehmung (3) zur Aufnahme des Messpolabschnitts (1ci, IC2) aufweist, wobei die Ausnehmung (3)- Has a flat recess (3) for receiving the Meßpolabschnitts (1ci, IC 2 ), wherein the recess (3)
- mit einer elastischen Dichtmasse ausgefüllt und - mit einer Abdeckung (4) aus einem festen Material versehen ist.- Filled with an elastic sealant and - is provided with a cover (4) made of a solid material.
2. Batteriepol aufweisende Batteriedeckelkonstruktion nach Anspruch 1 , dadurch gekennzeichnet, dass die Abdeckung (4) mittels einer Clip- Halterung (5) auf der Ausnehmung (3) befestigbar ist.2. Batteriepol having battery cover construction according to claim 1, characterized in that the cover (4) by means of a clip holder (5) on the recess (3) can be fastened.
3. Batteriepol aufweisende Batteriedeckelkonstruktion nach Anspruch 1 , dadurch gekennzeichnet, dass die Abdeckung (4) mittels eines Klebestreifens auf der Ausnehmung (3) befestigbar ist. 3. Batteriepol having battery cover construction according to claim 1, characterized in that the cover (4) by means of an adhesive strip on the recess (3) can be fastened.
EP09768826A 2008-06-23 2009-06-23 Battery lid structure comprising a battery terminal Withdrawn EP2311117A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102008029428A DE102008029428A1 (en) 2008-06-23 2008-06-23 Battery cover construction with battery pole
PCT/DE2009/000873 WO2009155902A1 (en) 2008-06-23 2009-06-23 Battery lid structure comprising a battery terminal

Publications (1)

Publication Number Publication Date
EP2311117A1 true EP2311117A1 (en) 2011-04-20

Family

ID=41258162

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09768826A Withdrawn EP2311117A1 (en) 2008-06-23 2009-06-23 Battery lid structure comprising a battery terminal

Country Status (7)

Country Link
EP (1) EP2311117A1 (en)
JP (1) JP2011525683A (en)
KR (1) KR20110099212A (en)
CN (1) CN102150296A (en)
DE (2) DE202008017964U1 (en)
RU (1) RU2011102600A (en)
WO (1) WO2009155902A1 (en)

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DE102022123512A1 (en) * 2022-09-14 2024-03-14 Hoppecke Batterien Gmbh & Co. Kg Battery, in particular AGM battery and system consisting of a stacking aid and a plurality of AGM batteries

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Title
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Also Published As

Publication number Publication date
DE202008017964U1 (en) 2011-01-05
RU2011102600A (en) 2012-07-27
DE102008029428A1 (en) 2009-12-24
JP2011525683A (en) 2011-09-22
WO2009155902A1 (en) 2009-12-30
KR20110099212A (en) 2011-09-07
CN102150296A (en) 2011-08-10

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