DE202005010708U1 - Housing for accumulator batteries e.g. a starter battery has foam structure and integrated outer and dividing walls - Google Patents

Housing for accumulator batteries e.g. a starter battery has foam structure and integrated outer and dividing walls Download PDF

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Publication number
DE202005010708U1
DE202005010708U1 DE202005010708U DE202005010708U DE202005010708U1 DE 202005010708 U1 DE202005010708 U1 DE 202005010708U1 DE 202005010708 U DE202005010708 U DE 202005010708U DE 202005010708 U DE202005010708 U DE 202005010708U DE 202005010708 U1 DE202005010708 U1 DE 202005010708U1
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Germany
Prior art keywords
housing
foam structure
battery
cell
starter battery
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.)
Expired - Lifetime
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DE202005010708U
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German (de)
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Froetek Kunststofftechnik GmbH
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Froetek Kunststofftechnik GmbH
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Priority to DE202005010708U priority Critical patent/DE202005010708U1/en
Publication of DE202005010708U1 publication Critical patent/DE202005010708U1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/218—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by the material
    • H01M50/22—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by the material of the casings or racks
    • H01M50/227—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
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/204—Racks, modules or packs for multiple batteries or multiple 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
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/289—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by spacing elements or positioning means within frames, racks or packs
    • H01M50/293—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by spacing elements or positioning means within frames, racks or packs characterised by the 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

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Sealing Battery Cases Or Jackets (AREA)

Abstract

A housing (2) for the cells of a multi-cell accumulator battery (1) comprises at least partly a foam structure. Preferably the housing for a starter battery comprises outer (2) and integrated dividing walls (3) with a foam structure having closed pores.

Description

Die Erfindung betrifft Gehäuse für eine Akkumulatorbatterie bzw. für eine Batteriezelle, insbesondere für Industriebatterien und Starterbatterien.The Invention relates to housing for one Accumulator battery or for a battery cell, in particular for industrial batteries and starter batteries.

Industrie-Akkumulatorbatterien, wie sie zum Beispiel für den Antrieb von Flurfahrzeugen eingesetzt werden, weisen eine Mehrzahl von typischerweise 12, 24 oder 40 einzelnen Zellen auf, welche in einem rechteckigen Raster in einem kastenförmigen Außentrog aus Metall oder Kunststoff untergebracht sind. Des Weiteren sind Starter-Akkumulatorbatterien für Kraftfahrzeuge bekannt, welche ein Gehäuse für typischerweise sechs Zellen aufweisen, wobei das Gehäuse mit Außenwänden und Zwischenwänden einstückig aus Kunststoff besteht. Die Herstellung dieser Gehäuse im Spritzgussverfahren ist verhältnismäßig aufwändig, da lange Abkühlzeiten benötigt werden.Industrial accumulator batteries, as for example the drive to be used by floor vehicles, have a plurality of typically 12, 24 or 40 individual cells, which in one rectangular grid in a box-shaped outer trough made of metal or plastic are housed. Furthermore, there are starter accumulator batteries for motor vehicles known which a housing for typically six cells, wherein the housing with outer walls and partitions in one piece Plastic exists. The manufacture of these housings by injection molding is relatively expensive, since long cooling times needed become.

Vor diesem Hintergrund war es Aufgabe der vorliegenden Erfindung, Mittel zur einfacheren Herstellung und Handhabung von Akkumulatorbatterien bereitzustellen.In front Against this background, it was an object of the present invention, means to provide for easier manufacture and handling of accumulator batteries.

Diese Aufgabe wird durch ein Zellengehäuse nach Anspruch 1 und ein Gehäuse nach Anspruch 2 gelöst. Vorteilhafte Ausgestaltungen sind in den Unteransprüchen enthalten.These Task is by a cell case after Claim 1 and a housing solved according to claim 2. Advantageous embodiments are contained in the subclaims.

Gemäß ihrem ersten Aspekt betrifft die Erfindung ein Zellengehäuse für eine einzelne Zelle einer mehrzellige Akkumulatorbatterie, insbesondere einer Industriebatterie. Das Zellengehäuse umfasst typischerweise Seitenwände, einen Boden sowie einen Deckel. Das Zellengehäuse ist dadurch gekennzeichnet, dass es zumindest teilweise eine Schaumstruktur hat, dass also in dem Basismaterial des Zellengehäuses gasgefüllte Poren bzw. Hohlräume verteilt sind. Insbesondere kann das gesamte Zellengehäuse aus einer derartigen Schaumstruktur bestehen.According to her In the first aspect, the invention relates to a cell housing for a single Cell of a multi-cell rechargeable battery, in particular an industrial battery. The cell case typically includes side walls, a floor and a lid. The cell housing is characterized that it at least partially has a foam structure, that is in the base material of the cell case gas-filled Pores or cavities are distributed. In particular, the entire cell case may look like consist of such a foam structure.

Gemäß ihrem zweiten Aspekt betrifft die Erfindung ein Gehäuse für eine Starterbatterie, welches Außenwände und integral damit ausgebildete Zwischenwände sowie in der Regel einen Deckel umfasst. Das Gehäuse ist dadurch gekennzeichnet, dass es zumindest teilweise eine Schaumstruktur im oben erläuterten Sinne hat. Insbesondere kann das gesamte Gehäuse aus einer derartigen Schaumstruktur bestehen.According to her second aspect, the invention relates to a housing for a starter battery, which outer walls and integrally formed therewith intermediate walls and usually one Cover includes. The housing is characterized in that it at least partially a foam structure in the above explained Has meaning. In particular, the entire housing of such a foam structure consist.

Vorzugsweise handelt es sich bei den oben erwähnten Schaumstrukturen um einen geschlossenporigen Schaum, bei welchem definitionsgemäß die im Inneren der gelegenen Hohlräume (in der Regel) allseitig geschlossen sind und keine Hohlraum-Verbindung zum Außenraum haben. Das Basismaterial der Schaumstrukturen enthält (gegebenenfalls zu 100%) vorzugsweise einen Kunststoff wie beispielsweise Polyvinylchlorid (PVC) oder Polypropylen (PP).Preferably these are the ones mentioned above Foam structures around a closed-cell foam, in which By definition, the im Interior of the cavities located (usually) are closed on all sides and no cavity connection to the outside space to have. The base material of the foam structures contains (optionally 100%), preferably a plastic such as polyvinyl chloride (PVC) or polypropylene (PP).

Die beschriebenen (Zellen-)Gehäuse mit einer Schaumstruktur haben den Vorteil, dass sie verhältnismäßig einfach hergestellt werden können. Beispielsweise können bei einem herkömmlichen Spritzgussverfahren dem Rohmaterial fein verteilte Gasbläschen zugesetzt werden, welche dann im Fertigteil die gewünschten Hohlräume der Schaumstruktur bilden. Alternativ können einem Basismaterial auch chemische Treibmittel zugesetzt werden, welche nach Ausbildung der endgültigen Form im Material verteilte Gasbläschen erzeugen. Dadurch, dass die Gegenstände nicht aus einem massiven Material bestehen, wird eine entsprechende Material- und Gewichtsersparnis erzielt. Die lockere Struktur der Gegenstände hat ferner zur Folge, dass diese bei ihrer Herstellung schneller abkühlen, so dass entsprechend kürzere Produktionszeiten und damit geringere Herstellungskosten anfallen.The described (cell) housing Having a foam structure has the advantage of being relatively simple can be produced. For example, you can in a conventional Injection molding added to the raw material finely divided gas bubbles be, which then in the finished part the desired cavities of the Form foam structure. Alternatively, a base material can also be chemical Be added blowing agent, which after formation of the final form Gas bubbles distributed in the material produce. Because the items are not from a massive one Material, is a corresponding material and weight savings achieved. The loose structure of the objects also has the consequence that cool them down more quickly during their manufacture, so that accordingly shorter Production times and thus lower production costs incurred.

Nachfolgend wird die Erfindung mit Hilfe der Figuren beispielhaft erläutert. Es zeigt:following The invention will be explained by way of example with the aid of the figures. It shows:

1 perspektivisch eine Starterbatterie, deren Gehäusewände 2, 3 eine Schaumstruktur haben; 1 in perspective, a starter battery, the housing walls 2 . 3 have a foam structure;

2 perspektivisch eine Industriebatterie mit Zellengehäusen 23, die eine Schaumstruktur haben. 2 in perspective, an industrial battery with cell casings 23 that have a foam structure.

In 1 ist schematisch eine quaderförmige 12V-Starterbatterie 1 mit insgesamt sechs nebeneinander angeordneten Batteriezellen 4 dargestellt. Die Zellen 4 der Batterie 1 sind in einem Gehäuse mit vier Seitenwänden 2, einem Boden (in der Figur nicht sichtbar) sowie fünf integral damit ausgebildeten Zwischenwänden 3 untergebracht. Erfindungsgemäß sind die genannten Wände 2, 3 sowie gegebenenfalls auch der Boden des Gehäuses mit einer Schaumstruktur ausgebildet, welche im vergrößerten Einsatz von 1 angedeutet ist.In 1 is schematically a cuboid 12V starter battery 1 with a total of six juxtaposed battery cells 4 shown. The cells 4 the battery 1 are in a housing with four side walls 2 a floor (not visible in the figure) and five integral walls formed therewith 3 accommodated. According to the invention, the said walls 2 . 3 and optionally also the bottom of the housing is formed with a foam structure, which in the enlarged use of 1 is indicated.

In 2 ist schematisch eine quaderförmige Industriebatterie 21 mit insgesamt zwölf in einem Raster angeordneten Batteriezellen dargestellt, wobei ein einzelnes Zellengehäuse 23 zur besseren Erkennbarkeit im angehobenen Zustand und mit geöffnetem Deckel 23a dargestellt ist. Erfindungsgemäß sind die Zellengehäuse 23 mit einer Schaumstruktur ausgebildet, welche im vergrößerten Einsatz von 2 angedeutet ist. Die Höhe einer Industriebatterie 21 beträgt typischerweise 30 bis 100 cm.In 2 is schematically a cuboid industrial battery 21 with a total of twelve arranged in a grid battery cells, wherein a single cell housing 23 for better recognition in the raised state and with the lid open 23a is shown. According to the invention, the cell housing 23 formed with a foam structure, which in the enlarged use of 2 is indicated. The height of an industrial battery 21 is typically 30 to 100 cm.

Die Zellengehäuse 23 der Batterie 21 sind in einem kastenförmigen Außentrog 22 aus Metall oder Kunststoff untergebracht. Des Weiteren werden die Zellen innerhalb des Außentroges durch mindestens einen Füllkörper bzw. eine Füllplatte 24 unter mechanischer Spannung in einem festen Sitz gehalten.The cell case 23 the battery 21 are in a boxy outdoor trough 22 made of metal or Plastic housed. Furthermore, the cells within the outer trough by at least one filler or a filling plate 24 held under mechanical tension in a tight fit.

Gehäuse mit einer Schaumstruktur können beispielsweise im Spritzgussverfahren hergestellt werden, wobei dem verspritzten Granulat (z. B. PVC, PP) innerhalb der Förderschnecke ein Gas (z. B. Stickstoff) zugesetzt wird. In diesem Falle sind für die Herstellung derartiger Gegenstände – nach Ergänzung um die Gaszufuhr – die üblichen Werkzeuge weiterverwendbar. Alternativ können Gehäuse aus Kunststoff mit einer Schaumstruktur auch hergestellt werden, indem dem Basismaterial ein chemisches Treibmittel zugesetzt wird, welches in der Spritzgussform die gewünschten Gasbläschen erzeugt.Housing with a foam structure, for example be produced by injection molding, wherein the sprayed Granules (eg PVC, PP) within the screw conveyor a gas (eg nitrogen) is added. In this case, for the production of such Items - after addition to the gas supply - the usual Tools reusable. Alternatively, plastic housings with a Foam structure can also be made by adding the base material a chemical blowing agent is added which is in the injection mold the desired gas bubbles generated.

Claims (4)

Zellengehäuse (23) für die Zelle einer mehrzelligen Akkumulatorbatterie (21), dadurch gekennzeichnet, dass es zumindest teilweise eine Schaumstruktur hat.Cell housing ( 23 ) for the cell of a multicellular battery ( 21 ), characterized in that it at least partially has a foam structure. Gehäuse für eine Starterbatterie (1), umfassend Außenwände (2) und integral damit ausgebildete Zwischenwände (3), dadurch gekennzeichnet, dass die genannten Wände (2, 3) zumindest teilweise eine Schaumstruktur haben.Housing for a starter battery ( 1 ), comprising external walls ( 2 ) and integrally formed therewith intermediate walls ( 3 ), characterized in that said walls ( 2 . 3 ) at least partially have a foam structure. Gegenstand nach mindestens einem der Ansprüche 1 bis 2, dadurch gekennzeichnet, dass die Schaumstruktur geschlossenporig ist.The article according to at least one of claims 1 to 2, characterized in that the foam structure closed pore is. Gegenstand nach mindestens einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass das Basismaterial der Schaumstruktur Kunststoff, insbesondere PVC oder PP enthält.The article according to at least one of claims 1 to 3, characterized in that the base material of the foam structure Plastic, in particular PVC or PP contains.
DE202005010708U 2005-07-06 2005-07-06 Housing for accumulator batteries e.g. a starter battery has foam structure and integrated outer and dividing walls Expired - Lifetime DE202005010708U1 (en)

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DE202005010708U DE202005010708U1 (en) 2005-07-06 2005-07-06 Housing for accumulator batteries e.g. a starter battery has foam structure and integrated outer and dividing walls

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Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202009008503U1 (en) 2009-06-17 2010-11-04 Hagemann-Systems Gmbh battery case
US20100310911A1 (en) * 2009-06-03 2010-12-09 Sony Corporation Battery pack
EP2403050A1 (en) 2010-07-02 2012-01-04 Saft Battery of electrochemical generators including a foam as a filling material between generators
DE102010062868A1 (en) 2010-12-10 2012-06-14 Robert Bosch Gmbh Battery e.g. lithium ion battery for hybrid vehicle, has plastic material and plastic foam that are filled in cavities of open-pore structure formed in housing
WO2012045439A3 (en) * 2010-10-04 2012-07-19 Li-Tec Battery Gmbh Housing for accommodating a flat electrochemical cell
WO2012110204A3 (en) * 2011-02-15 2012-11-29 Li-Tec Battery Gmbh Housing for receiving a flat electrochemical cell
CN103311471A (en) * 2012-03-14 2013-09-18 株式会社东芝 Secondary battery device
DE102013200700A1 (en) 2013-01-18 2014-07-24 Robert Bosch Gmbh Housing for lithium-ion battery cell for battery of vehicle e.g. electric car, has insulation mounted on cylindrical aluminum foam, so as to provide gas and liquid-tight effect for housing, where insulation includes panels
WO2015113946A1 (en) * 2014-01-28 2015-08-06 Avl List Gmbh Battery module
DE102014206868A1 (en) * 2014-04-09 2015-10-15 Frederic Dietze Housing for an energy storage device, energy storage device with such a housing and method for its preparation
WO2017137121A1 (en) * 2016-02-10 2017-08-17 Volkswagen Aktiengesellschaft Battery assembly and method for producing same
WO2018148282A1 (en) 2017-02-08 2018-08-16 Elkem Silicones USA Corp. Secondary battery pack with improved thermal management
WO2018148290A1 (en) 2017-02-08 2018-08-16 Elkem Silicones USA Corp. Silicone rubber syntactic foam
EP3176851B1 (en) * 2015-12-03 2019-01-02 Airbus Defence and Space GmbH Electrical energy storage device
FR3112433A1 (en) * 2020-07-10 2022-01-14 Faurecia Systemes D'echappement Electricity storage battery and method of manufacturing such a battery
WO2023018907A2 (en) 2021-08-13 2023-02-16 Elkem Silicones USA Corp. Secondary battery pack with improved thermal management
DE102022121006A1 (en) 2022-08-19 2024-02-22 Bayerische Motoren Werke Aktiengesellschaft Electrical energy storage for a motor vehicle

Cited By (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100310911A1 (en) * 2009-06-03 2010-12-09 Sony Corporation Battery pack
DE202009008503U1 (en) 2009-06-17 2010-11-04 Hagemann-Systems Gmbh battery case
EP2403050A1 (en) 2010-07-02 2012-01-04 Saft Battery of electrochemical generators including a foam as a filling material between generators
WO2012045439A3 (en) * 2010-10-04 2012-07-19 Li-Tec Battery Gmbh Housing for accommodating a flat electrochemical cell
DE102010062868A1 (en) 2010-12-10 2012-06-14 Robert Bosch Gmbh Battery e.g. lithium ion battery for hybrid vehicle, has plastic material and plastic foam that are filled in cavities of open-pore structure formed in housing
WO2012110204A3 (en) * 2011-02-15 2012-11-29 Li-Tec Battery Gmbh Housing for receiving a flat electrochemical cell
CN103311471A (en) * 2012-03-14 2013-09-18 株式会社东芝 Secondary battery device
CN103311471B (en) * 2012-03-14 2016-08-03 株式会社东芝 Secondary battery device
DE102013200700A1 (en) 2013-01-18 2014-07-24 Robert Bosch Gmbh Housing for lithium-ion battery cell for battery of vehicle e.g. electric car, has insulation mounted on cylindrical aluminum foam, so as to provide gas and liquid-tight effect for housing, where insulation includes panels
WO2015113946A1 (en) * 2014-01-28 2015-08-06 Avl List Gmbh Battery module
DE102014206868A1 (en) * 2014-04-09 2015-10-15 Frederic Dietze Housing for an energy storage device, energy storage device with such a housing and method for its preparation
DE102014206868B4 (en) 2014-04-09 2023-08-24 Frederic Dietze Housing for an energy storage device, energy storage device with such a housing and method for the production thereof
EP3176851B1 (en) * 2015-12-03 2019-01-02 Airbus Defence and Space GmbH Electrical energy storage device
WO2017137121A1 (en) * 2016-02-10 2017-08-17 Volkswagen Aktiengesellschaft Battery assembly and method for producing same
WO2018148282A1 (en) 2017-02-08 2018-08-16 Elkem Silicones USA Corp. Secondary battery pack with improved thermal management
US10501597B2 (en) 2017-02-08 2019-12-10 Elkem Silicones USA Corp. Secondary battery pack with improved thermal management
US10829609B2 (en) 2017-02-08 2020-11-10 Elkem Silicones USA Corp. Silicone rubber syntactic foam
US11261309B2 (en) 2017-02-08 2022-03-01 Elkem Silicones USA Corp. Secondary battery pack with improved thermal management
DE202018006837U1 (en) 2017-02-08 2023-08-02 Elkem Silicones USA Corp. Secondary battery pack with improved thermal management
WO2018148290A1 (en) 2017-02-08 2018-08-16 Elkem Silicones USA Corp. Silicone rubber syntactic foam
EP4243143A2 (en) 2017-02-08 2023-09-13 Elkem Silicones USA Corp. Secondary battery pack with improved thermal management
US11780983B2 (en) 2017-02-08 2023-10-10 Elkem Silicones USA Corp. Secondary battery pack with improved thermal management
US11905385B2 (en) 2017-02-08 2024-02-20 Elkem Silicones USA Corp. Secondary battery pack with improved thermal management
FR3112433A1 (en) * 2020-07-10 2022-01-14 Faurecia Systemes D'echappement Electricity storage battery and method of manufacturing such a battery
WO2023018907A2 (en) 2021-08-13 2023-02-16 Elkem Silicones USA Corp. Secondary battery pack with improved thermal management
DE102022121006A1 (en) 2022-08-19 2024-02-22 Bayerische Motoren Werke Aktiengesellschaft Electrical energy storage for a motor vehicle

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