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WO2017016772A1 - Housing for a battery module and method for producing a battery module - Google Patents

Housing for a battery module and method for producing a battery module Download PDF

Info

Publication number
WO2017016772A1
WO2017016772A1 PCT/EP2016/064814 EP2016064814W WO2017016772A1 WO 2017016772 A1 WO2017016772 A1 WO 2017016772A1 EP 2016064814 W EP2016064814 W EP 2016064814W WO 2017016772 A1 WO2017016772 A1 WO 2017016772A1
Authority
WO
WIPO (PCT)
Prior art keywords
frame
battery cells
battery
housing
battery module
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.)
Ceased
Application number
PCT/EP2016/064814
Other languages
German (de)
French (fr)
Inventor
Rudi Kaiser
Sebastian Bannert
Thomas Kretschmar
Sarmimala Hore
Holger Reinshagen
Silvan Poller
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Priority to CN201680043283.5A priority Critical patent/CN107851755A/en
Publication of WO2017016772A1 publication Critical patent/WO2017016772A1/en
Anticipated expiration legal-status Critical
Ceased 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
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/262—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders with fastening means, e.g. locks
    • H01M50/264—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders with fastening means, e.g. locks for cells or batteries, e.g. straps, tie rods or peripheral frames
    • 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
    • H01M50/222—Inorganic material
    • H01M50/224—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
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/244—Secondary casings; Racks; Suspension devices; Carrying devices; Holders characterised by their mounting method
    • 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
    • H01M50/291—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 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
    • H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
    • H01M50/521—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing characterised by the material
    • H01M50/522—Inorganic material
    • 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
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/4207—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells for several batteries or cells simultaneously or sequentially
    • 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
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
    • H01M10/482—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte for several batteries or cells simultaneously or sequentially
    • 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
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/65—Means for temperature control structurally associated with the cells
    • H01M10/655—Solid structures for heat exchange or heat conduction
    • H01M10/6554—Rods or plates
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2200/00—Safety devices for primary or secondary batteries
    • H01M2200/10—Temperature sensitive devices
    • H01M2200/106—PTC
    • 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
    • H01M50/207—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape
    • H01M50/209—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted 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
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/267—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders having means for adapting to batteries or cells of different types or different sizes
    • 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

Definitions

  • the invention is based on a housing for a battery module or a method for producing a battery module according to the preamble of the independent claims.
  • EP 2 068 390 A1 discloses a battery system comprising a battery block, a cooling tube and a coolant supply device.
  • the battery pack includes a plurality of rectangular batteries having a width greater than a thickness and being fixedly aligned in the array by a battery holder.
  • the cooling tube cools the rectangular batteries of the battery pack.
  • the coolant supply device feeds coolant into the cooling tube.
  • the cooling pipe is disposed on the surface of the battery pack in a thermally connected state, so that the rectangular batteries are cooled by the coolant circulated through the cooling pipe.
  • the cooling pipe may have parallel pipe sections arranged parallel to the rectangular batteries and cooling the rectangular batteries.
  • the cooling tubes may be disposed in the bottom surface of the battery pack and extend directly below the batteries.
  • DE 10 2011 076 919 A1 discloses a battery cell, in particular a lithium-ion battery cell, comprising a housing and in the housing at least one electrode ensemble in which electrodes are arranged in more than two layers in a cross section, the housing being at least two the electrode ensemble has housing elements substantially separated from the environment. It is provided that a first housing element is electrically connected to the positive pole of the electrode ensemble and a second housing element is electrically connected to the negative pole of the
  • Electrode ensembles is connected so that the battery cell on the first
  • Housing element and the second housing element is electrically contacted.
  • a battery or a battery cell module is known which comprise a plurality of the battery cells.
  • a method for producing a battery cell and a motor vehicle are known.
  • the DE 10 2014 204 245.3 not yet published on the filing date of the invention relates to an energy storage unit having a plurality of galvanic cells, the galvanic cells each having a first outer side comprising a first electrode and a second outer side comprising a second
  • the energy storage unit further comprises a first frame member and a second frame member, which are directly or indirectly connected to each other, wherein the first frame member is disposed at the one end of the series of galvanic cells and the second frame member is arranged at the other end of the series of galvanic cells ,
  • DE 10 2014 204 245.3 relates to a battery cell for use with an energy storage unit and to a method for producing such a battery cell.
  • Claims have the advantage that they allow optimal use of space.
  • the frame can be adapted exactly to the size of the battery cells. Because of the battery cells in the frame
  • the battery cells can be strong, secure and durable in the frame being held.
  • a high mechanical integrity and / or mechanical stability of the battery module can be achieved.
  • elements such as fasteners can be omitted.
  • the structure of the battery module can be simplified.
  • costs such as material costs and / or assembly costs can be reduced.
  • the frame with respect to its position when the battery module is used as intended, can be arranged under the battery cells, this has the advantage that the mechanical connection between the frame and the battery cells can be further improved. Furthermore, protection such as protection against mechanical damage of the battery cells from below can be improved.
  • the frame can be arranged above the battery cells, this has the advantage that the protection, such as protection against mechanical damage, of the battery cells can be improved from above.
  • each battery cell in the housing can be arranged in a layer, this has the advantage that each battery cell can contact up to four further or more battery cells. As a result, a homogeneous current distribution can be achieved. Thus, an inhomogeneous current distribution pattern can be avoided. Furthermore, a homogeneous temperature distribution can be achieved.
  • connections of the same name can be electrically connected via a piece of metal, this has the advantage that the construction of the battery module and / or the mounting of the battery cells in the frame can be simplified.
  • the frame further comprises an inner wall for dividing the frame into a plurality of areas, this has the advantage that the mechanical
  • Connection can be made between the frame and the battery cells.
  • the frame comprises a metal, this has the advantage that the stability of the frame can be increased. If the metal is aluminum, this has the advantage that the weight of the frame can be reduced.
  • the frame comprises a nonconductor
  • the non-conductor is a plastic, this has the advantage that the frame can be made particularly light.
  • the weight of the non-conductor is a plastic
  • Battery module can be reduced. Furthermore, the possibilities to design the frame spatially, when using plastic almost unlimited.
  • the frame furthermore comprises a metal layer, this has the advantage that the battery cells arranged next to one another in the layer can be electrically connected.
  • the metal layer comprises aluminum, this has the advantage that the weight of the frame can be reduced.
  • the frame can be connected to form a unit by means of a holding element with a further frame, this has the advantage that only at the beginning and at the end of the battery module is an electrical connection of the battery module, which may be formed, for example, as contact foil, required. As a result, contacting of the battery module can be simplified and / or minimized. Furthermore, battery modules, even complex battery models, can be manufactured in a simple, safe and / or cost-effective manner.
  • Voltage information is captured.
  • a connection to a cell monitoring device cell supervisory circuit, CSC
  • CSC cell supervisory circuit
  • PTC positive temperature coefficient
  • thermocontrol plate such as cooling plate or potential-free cooling plate between the layers arranged
  • Figure 1 shows a side view of a frame 4 for receiving
  • FIG. 2 shows a side view of the frame 4 with battery cells 2 according to the embodiment of the invention
  • FIG. 3 shows a side view of a battery module 1 'with three layers of battery cells 2 according to the embodiment of the invention
  • FIG. 4 shows a side view of the battery module 1 with three layers of battery cells 2 according to another embodiment of the invention
  • Figure 5 shows a perspective view of the frame 4 for receiving
  • Figure 6 shows a perspective view of the frame 4 for receiving
  • Figure 1 shows a side view of a frame 4 for receiving
  • the frame 4 comprises an outer wall 5.
  • the outer wall 5 may be formed as a circumferential outer wall.
  • the frame 4 may further comprise an inner wall 7, 8 or a plurality of inner walls 7, 8 for dividing the Frame 4 in a plurality of areas for receiving the battery cells 2 include.
  • the frame 4 may comprise a metal such as aluminum and / or a non-conductor such as a plastic. As described below with reference to Figure 2, the size dimensions of the frame 4 to the
  • the frame 4 may further comprise a metal layer 9.
  • the metal layer 9 may be formed, for example, as a metal sheet, metal foil, metal mesh or metal mesh.
  • the metal layer 9 can serve for electrically connecting terminals 3 of the battery cells 2.
  • the metal layer 9 may be formed as a frame bottom.
  • Figure 2 shows a side view of the frame 4 with battery cells 2 according to the embodiment of the invention.
  • the battery cells 2 are formed as flat battery cells such as nut shell cells (nutshell cells).
  • the battery cells 2 will be described below with reference to FIG. FIG. 2 shows the frame 4 of a battery module 1 after the four battery cells 2 have been snapped into corresponding regions of the frame 4.
  • the size dimensions of the frame 4 are adapted to the size dimensions of the battery cells 2 such that an interference fit or interference fit is achieved. In this case, it is ensured that during the joining, regardless of the tolerance positions of the frame 4 and the battery cells 2, the battery cells 2 snap into the frame 4 and a permanent mechanical connection between the frame 4 and the battery cell 2 is formed.
  • a use of fasteners and / or adhesives is usually not required, but not excluded.
  • the surfaces of the frame 4 and the battery cells 2 may be matched to each other.
  • the frame 4 may have a plurality of depressions (not shown in FIG. 2), while the battery cells 2 may have corresponding elevations (not shown in FIG. 2).
  • FIG. 3 shows a side view of a battery module 1 with three layers of battery cells 2 according to the embodiment of the invention.
  • the battery cells 2 are snapped into the respective regions of the corresponding frame 4. This results in the
  • the layers may each comprise different numbers of battery cells 2.
  • the layers may each comprise an identical number of battery cells 2.
  • the battery cells 2 can each, as shown by way of example in Figure 3, a first
  • Cover 3 and a second cover 3, which are formed as electrical connections and connected to an anode of the battery cell 2 and a cathode of the battery cell 2, respectively.
  • the two covers 3 of each of the battery cells 2 are electrically isolated from each other.
  • the battery cells 2 can be electrically contacted or connected via the first cover 3 and the second cover 3, respectively.
  • the battery cells 2 can each be designed identically, for example with regard to physical properties and / or electrical properties.
  • the battery cells 2 may be formed differently. For example, in addition to battery cells of a certain size, half and / or double size battery cells may be used.
  • Frame 4 are electrically connected to each other.
  • the second covers 3 of the battery cells 2, which serve as second connections of the same name can be electrically connected to each other via the metal layer 9 of a frame 4 of an overlying layer.
  • the battery cells 2 in each of the three layers can be electrically connected to each other in parallel and these parallel connected battery cells 2 in the three superimposed layers are electrically connected to each other in series.
  • contacting of the battery module 1 via the lowermost layers and the uppermost layer, ie the outer layers occur.
  • the frames 4 can be connected to each other by means of a holding element or a plurality of holding elements (not shown in FIG. 3).
  • sensor foils (not shown in FIG. 3) may be arranged between the layers. As a result, voltage information of the battery cells 2 can be detected. This can be a connection to a
  • a resistance foil (not shown in FIG. 3) such as
  • Resistance film can be arranged with a positive temperature coefficient between the layers. This can increase safety in the event of a fault.
  • a tempering plate such as a cooling plate or potential-free cooling plate can be arranged between the layers. As a result, the temperature control or cooling of the battery cells 2 can be improved.
  • FIG. 4 shows a side view of the battery module 1 'with three layers of battery cells 2 according to another embodiment of the invention.
  • the battery module 1 'shown in FIG. 4 essentially corresponds to the battery module 1 described with reference to FIG. 3.
  • the battery module 1' comprises a further frame 4 ', which is snapped in reverse and from above onto the battery cells 2 of the uppermost layer. As a result, the battery cells 2 are completely enclosed by the housing. Furthermore, the second
  • Covers 3 of the battery cells 2 of the uppermost layer which serve as identically named second connections, are electrically connected to one another via the metal layer 9 of the further frame 4 '.
  • the contacting of the battery module 1 ' can be simplified.
  • Figure 5 shows a perspective view of the frame 4 for receiving
  • the frame 4 comprises an outer wall 5.
  • the outer wall 5 may be formed as a circumferential outer wall.
  • the frame 4 may be an inner wall 7, 8 or a plurality of inner walls 7, 8 for dividing the frame 4 into a plurality of areas for receiving the battery cells 2 include.
  • the battery cells 2 may be snapped in the area or the plurality of areas. In one area, a battery cell 2 or a plurality of battery cells can be snapped.
  • the frame 4 fixes the battery cells 2 and secures them, for example, against falling out and / or slipping.
  • the frame 4 can be made of a metal such as
  • Figure 6 shows a perspective view of the frame 4 for receiving
  • the frame 4 shown in Figure 6 substantially corresponds to the frame 4 described with reference to Figure 5.
  • the frame 4 further comprises a
  • Metal layer 9 can serve to electrically connect terminals 3 of the battery cells 2.
  • the metal layer 9 can furthermore serve for thermal bonding 3 of the battery cells 2.
  • the metal layer 9 may be formed as a frame bottom.
  • the metal layer 9 may extend partially or completely within the frame 4.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Battery Mounting, Suspending (AREA)
  • Hybrid Cells (AREA)
  • Secondary Cells (AREA)

Abstract

The invention relates to a housing for a battery module (1), comprising a plurality of battery cells (2), wherein the battery cells (2) each comprise two electrical connections (3), and wherein the housing comprises a frame (4) and connections (3) of the battery cells (2) of the same name can be electrically connected to each other, characterized in that the frame (4) is designed in such a way that the battery cells (2) can be snapped into the frame (4). The invention further relates to a method for producing a battery module (1).

Description

Beschreibung Titel  Description title

Gehäuse für ein Batteriemodul und Verfahren zum Herstellen eines  Housing for a battery module and method for producing a

Batteriemoduls battery module

Stand der Technik State of the art

Die Erfindung geht aus von einem Gehäuse für ein Batteriemodul oder einem Verfahren zum Herstellen eines Batteriemoduls nach Gattung der unabhängigen Ansprüche. The invention is based on a housing for a battery module or a method for producing a battery module according to the preamble of the independent claims.

Aus EP 2 068 390 AI ist ein Batteriesystem enthaltend einen Batterieblock, ein Kühlrohr und eine Kühlmittelzuführungsvorrichtung bekannt. Der Batterieblock weist eine Mehrzahl von rechteckigen Batterien, die eine Breite größer als eine Dicke aufweisen und in der Anordnung durch einen Batteriehalter fest ausgerichtet angeordnet sind, auf. Das Kühlrohr kühlt die rechteckigen Batterien des Batterieblocks. Die Kühlmittelzufuhrvorrichtung speist Kühlmittel in das Kühlrohr. In dem Batteriesystem wird das Kühlrohr auf der Oberfläche des Batterieblocks in einem thermisch verbundenen Zustand angeordnet, so dass die rechteckigen Batterien durch das Kühlmittel, das durch das Kühlrohr zirkuliert wird, gekühlt werden. Das Kühlrohr kann parallele Leitungsabschnitte, die parallel zu den rechteckigen Batterien angeordnet sind und die rechteckigen Batterien kühlen, aufweisen. Die Kühlrohre können in der Bodenfläche des Batterieblocks angeordnet sein und sich direkt unter den Batterien erstrecken. EP 2 068 390 A1 discloses a battery system comprising a battery block, a cooling tube and a coolant supply device. The battery pack includes a plurality of rectangular batteries having a width greater than a thickness and being fixedly aligned in the array by a battery holder. The cooling tube cools the rectangular batteries of the battery pack. The coolant supply device feeds coolant into the cooling tube. In the battery system, the cooling pipe is disposed on the surface of the battery pack in a thermally connected state, so that the rectangular batteries are cooled by the coolant circulated through the cooling pipe. The cooling pipe may have parallel pipe sections arranged parallel to the rectangular batteries and cooling the rectangular batteries. The cooling tubes may be disposed in the bottom surface of the battery pack and extend directly below the batteries.

Aus DE 10 2011 076 919 AI ist eine Batteriezelle, insbesondere eine Lithium- Ionen- Batteriezelle, umfassend ein Gehäuse und in dem Gehäuse wenigstens ein Elektrodenensemble, in welchem in einem Querschnitt Elektroden in mehr als zwei Schichten angeordnet sind, bekannt, wobei das Gehäuse mindestens zwei das Elektrodenensemble von der Umgebung im Wesentlichen separierende Gehäuseelemente aufweist. Es ist vorgesehen, dass ein erstes Gehäuseelement elektrisch mit dem positiven Pol des Elektrodenensembles verbunden ist und ein zweites Gehäuseelement elektrisch mit dem negativen Pol des DE 10 2011 076 919 A1 discloses a battery cell, in particular a lithium-ion battery cell, comprising a housing and in the housing at least one electrode ensemble in which electrodes are arranged in more than two layers in a cross section, the housing being at least two the electrode ensemble has housing elements substantially separated from the environment. It is provided that a first housing element is electrically connected to the positive pole of the electrode ensemble and a second housing element is electrically connected to the negative pole of the

Elektrodenensembles verbunden ist, sodass die Batteriezelle am ersten Electrode ensembles is connected so that the battery cell on the first

Gehäuseelement und am zweiten Gehäuseelement elektrisch kontaktierbar ist. Weiterhin ist eine Batterie oder ein Batteriezellenmodul bekannt, welche mehrere der Batteriezellen umfassen. Weiterhin sind ein Verfahren zur Herstellung einer Batteriezelle sowie ein Kraftfahrzeug bekannt.  Housing element and the second housing element is electrically contacted. Furthermore, a battery or a battery cell module is known which comprise a plurality of the battery cells. Furthermore, a method for producing a battery cell and a motor vehicle are known.

Die am Anmeldetag der Erfindung noch nicht veröffentlichte DE 10 2014 204 245.3 betrifft eine Energiespeichereinheit mit einer Mehrzahl von galvanischen Zellen, wobei die galvanischen Zellen jeweils eine erste Außenseite umfassend eine erste Elektrode und eine zweite Außenseite umfassend eine zweite The DE 10 2014 204 245.3 not yet published on the filing date of the invention relates to an energy storage unit having a plurality of galvanic cells, the galvanic cells each having a first outer side comprising a first electrode and a second outer side comprising a second

Elektrode aufweisen und die galvanischen Zellen durch Aneinanderreihung der galvanischen Zellen mit den Außenseiten über die Elektroden elektrisch miteinander verschaltet sind. Die Energiespeichereinheit umfasst zudem ein erstes Rahmenelement und ein zweites Rahmenelement, welche direkt oder indirekt miteinander verbunden sind, wobei das erste Rahmenelement an dem einen Ende der Aneinanderreihung der galvanischen Zellen angeordnet ist und das zweite Rahmenelement an dem anderen Ende der Aneinanderreihung der galvanischen Zellen angeordnet ist. Zudem betrifft die DE 10 2014 204 245.3 eine Batteriezelle zur Verwendung mit einer Energiespeichereinheit sowie ein Verfahren zur Herstellung einer solchen Batteriezelle. Have electrode and the galvanic cells are electrically interconnected by juxtaposition of the galvanic cells with the outer sides of the electrodes. The energy storage unit further comprises a first frame member and a second frame member, which are directly or indirectly connected to each other, wherein the first frame member is disposed at the one end of the series of galvanic cells and the second frame member is arranged at the other end of the series of galvanic cells , In addition, DE 10 2014 204 245.3 relates to a battery cell for use with an energy storage unit and to a method for producing such a battery cell.

Offenbarung der Erfindung Disclosure of the invention

Das Gehäuse und das Verfahren mit den Merkmalen der unabhängigen The housing and the method with the characteristics of independent

Ansprüche haben den Vorteil, dass sie eine optimale Bauraumnutzung ermöglichen. Dabei kann der Rahmen exakt an die Größe der Batteriezellen angepasst werden. Dadurch, dass die Batteriezellen in dem Rahmen Claims have the advantage that they allow optimal use of space. The frame can be adapted exactly to the size of the battery cells. Because of the battery cells in the frame

einschnappbar sind, kann eine mechanische Verbindung zwischen dem Rahmen und den Batteriezellen verbessert werden. Weiterhin können die Batteriezellen durch das Einschnappen (snap-fit) fest, sicher und dauerhaft in dem Rahmen gehalten werden. Somit können eine hohe mechanische Integrität und / oder mechanische Stabilität des Batteriemoduls erreicht werden. Außerdem können Elemente wie Befestigungselemente entfallen. Dadurch kann der Aufbau des Batteriemoduls vereinfacht werden. Somit können Kosten wie Materialkosten und / oder Montagekosten reduziert werden. can be snapped, a mechanical connection between the frame and the battery cells can be improved. Furthermore, by snap-fitting, the battery cells can be strong, secure and durable in the frame being held. Thus, a high mechanical integrity and / or mechanical stability of the battery module can be achieved. In addition, elements such as fasteners can be omitted. Thereby, the structure of the battery module can be simplified. Thus, costs such as material costs and / or assembly costs can be reduced.

Ist der Rahmen, bezogen auf seine Lage bei bestimmungsgemäßer Verwendung des Batteriemoduls, unter den Batteriezellen anordbar, hat dies den Vorteil, dass die mechanische Verbindung zwischen dem Rahmen und den Batteriezellen weiter verbessert werden kann. Weiterhin kann der Schutz wie Schutz vor einer mechanischen Beschädigung, der Batteriezellen von unten verbessert werden. If the frame, with respect to its position when the battery module is used as intended, can be arranged under the battery cells, this has the advantage that the mechanical connection between the frame and the battery cells can be further improved. Furthermore, protection such as protection against mechanical damage of the battery cells from below can be improved.

Ist der Rahmen über den Batteriezellen anordbar, hat dies den Vorteil, dass der Schutz wie Schutz vor einer mechanischen Beschädigung, der Batteriezellen von oben verbessert werden kann. If the frame can be arranged above the battery cells, this has the advantage that the protection, such as protection against mechanical damage, of the battery cells can be improved from above.

Sind die Batteriezellen in dem Gehäuse in einer Schicht anordbar, hat dies den Vorteil, dass jede Batteriezelle bis zu vier weitere oder mehr Batteriezellen kontaktieren kann. Dadurch kann eine homogene Stromverteilung erreicht werden. Somit kann ein inhomogenes Stromverteilungsmuster vermieden werden. Weiterhin kann eine homogene Temperaturverteilung erreicht werden. If the battery cells in the housing can be arranged in a layer, this has the advantage that each battery cell can contact up to four further or more battery cells. As a result, a homogeneous current distribution can be achieved. Thus, an inhomogeneous current distribution pattern can be avoided. Furthermore, a homogeneous temperature distribution can be achieved.

Sind die gleichnamigen Anschlüsse über ein Metallstück elektrisch verbindbar, hat dies den Vorteil, dass der Aufbau des Batteriemoduls und / oder die Montage der Batteriezellen in den Rahmen vereinfacht werden kann. If the connections of the same name can be electrically connected via a piece of metal, this has the advantage that the construction of the battery module and / or the mounting of the battery cells in the frame can be simplified.

Umfasst der Rahmen weiterhin eine Innenwand zum Unterteilen des Rahmens in eine Vielzahl von Bereichen, hat dies den Vorteil, dass die mechanische If the frame further comprises an inner wall for dividing the frame into a plurality of areas, this has the advantage that the mechanical

Verbindung zwischen dem Rahmen und den Batteriezellen erfolgen kann. Connection can be made between the frame and the battery cells.

Dadurch kann die Stabilität der mechanischen Verbindungen verbessert werden. This can improve the stability of the mechanical connections.

Umfasst der Rahmen ein Metall, hat dies den Vorteil, dass die Stabilität des Rahmens erhöht werden kann. Ist das Metall Aluminium, hat dies den Vorteil, dass das Gewicht des Rahmens reduziert werden kann. If the frame comprises a metal, this has the advantage that the stability of the frame can be increased. If the metal is aluminum, this has the advantage that the weight of the frame can be reduced.

Umfasst der Rahmen einen Nichtleiter, hat dies den Vorteil, dass eine elektrische Isolation besonders effektiv erreicht werden kann. If the frame comprises a nonconductor, this has the advantage that electrical insulation can be achieved particularly effectively.

Ist der Nichtleiter ein Kunststoff, hat dies den Vorteil, dass der Rahmen besonders leicht ausgebildet werden kann. Somit kann das Gewicht des If the non-conductor is a plastic, this has the advantage that the frame can be made particularly light. Thus, the weight of the

Batteriemoduls reduziert werden. Weiterhin sind die Möglichkeiten, den Rahmen räumlich auszugestalten, bei der Verwendung von Kunststoff nahezu unbegrenzt. Battery module can be reduced. Furthermore, the possibilities to design the frame spatially, when using plastic almost unlimited.

Umfasst der Rahmen weiterhin eine Metallschicht, hat dies den Vorteil, dass die in der Schicht nebeneinander angeordneten Batteriezellen elektrisch verbunden werden können. If the frame furthermore comprises a metal layer, this has the advantage that the battery cells arranged next to one another in the layer can be electrically connected.

Umfasst die Metallschicht Aluminium, hat dies den Vorteil, dass das Gewicht des Rahmens reduziert werden kann. If the metal layer comprises aluminum, this has the advantage that the weight of the frame can be reduced.

Ist der Rahmen mittels eines Halteelements mit einem weiteren Rahmen zu einer Einheit verbindbar, hat dies den Vorteil, dass nur am Anfang und am Ende des Batteriemoduls jeweils ein elektrischer Anschluss des Batteriemoduls, der beispielsweise als Kontaktfolie ausgebildet sein kann, erforderlich ist. Dadurch kann eine Kontaktierung des Batteriemoduls vereinfacht und / oder minimiert werden. Weiterhin können Batteriemodule, auch komplexe Batteriemodelle, auf eine einfache, sichere und / oder kostengünstige Weise hergestellt werden. If the frame can be connected to form a unit by means of a holding element with a further frame, this has the advantage that only at the beginning and at the end of the battery module is an electrical connection of the battery module, which may be formed, for example, as contact foil, required. As a result, contacting of the battery module can be simplified and / or minimized. Furthermore, battery modules, even complex battery models, can be manufactured in a simple, safe and / or cost-effective manner.

Werden, beispielsweise in einem Randbereich des Rahmens, Batteriezellen mit einer halben Größe (gegenüber der übrigen Batteriezellen) verwendet, kann die Bauraumnutzung weiter verbessert werden. If, for example, in an edge region of the frame, battery cells with half a size used (compared to the other battery cells), the space utilization can be further improved.

Werden Sensorfolien zwischen den Schichten angeordnet, können If sensor foils are placed between the layers, they can

Spannungsinformationen erfasst werden. Dadurch kann eine Anbindung an eine Zellüberwachungseinrichtung (cell supervisory circuit, CSC) erreicht werden. Wird eine Widerstandsfolie wie Widerstandsfolie mit positivem Temperatur- Koeffizient (positive temperature coefficient, PTC) zwischen den Schichten angeordnet, kann die Sicherheit in einem Fehlerfall erhöht werden. Voltage information is captured. As a result, a connection to a cell monitoring device (cell supervisory circuit, CSC) can be achieved. By placing a resistive foil such as a positive temperature coefficient (PTC) resistive film between the layers, the safety can be increased in case of failure.

Wird eine Temperierplatte wie Kühlplatte oder potentialfreie Kühlplatte zwischen den Schichten angeordnet, kann die Temperierung bzw. Kühlung der If a temperature control plate such as cooling plate or potential-free cooling plate between the layers arranged, the temperature control or cooling of

Batteriezellen verbessert werden. Battery cells are improved.

Ausführungsbeispiele der Erfindung sind in der Zeichnung dargestellt und in der nachfolgenden Beschreibung näher erläutert. Embodiments of the invention are illustrated in the drawings and explained in more detail in the following description.

Figur 1 zeigt eine Seitenansicht eines Rahmens 4 zur Aufnahme von Figure 1 shows a side view of a frame 4 for receiving

Batteriezellen 2 nach einer Ausführungsform der Erfindung, Battery cells 2 according to an embodiment of the invention,

Figur 2 zeigt eine Seitenansicht des Rahmens 4 mit Batteriezellen 2 nach der Ausführungsform der Erfindung, FIG. 2 shows a side view of the frame 4 with battery cells 2 according to the embodiment of the invention,

Figur 3 zeigt eine Seitenansicht eines Batteriemoduls 1' mit drei Schichten von Batteriezellen 2 nach der Ausführungsform der Erfindung, FIG. 3 shows a side view of a battery module 1 'with three layers of battery cells 2 according to the embodiment of the invention,

Figur 4 zeigt eine Seitenansicht des Batteriemoduls 1 mit drei Schichten von Batteriezellen 2 nach einer anderen Ausführungsform der Erfindung, FIG. 4 shows a side view of the battery module 1 with three layers of battery cells 2 according to another embodiment of the invention,

Figur 5 zeigt eine Perspektivansicht des Rahmens 4 zur Aufnahme von Figure 5 shows a perspective view of the frame 4 for receiving

Batteriezellen 2 nach der Ausführungsform der Erfindung, und Battery cells 2 according to the embodiment of the invention, and

Figur 6 zeigt eine Perspektivansicht des Rahmens 4 zur Aufnahme von Figure 6 shows a perspective view of the frame 4 for receiving

Batteriezellen 2 nach einer weiteren Ausführungsform der Erfindung. Battery cell 2 according to another embodiment of the invention.

Figur 1 zeigt eine Seitenansicht eines Rahmens 4 zur Aufnahme von Figure 1 shows a side view of a frame 4 for receiving

Batteriezellen 2 nach einer Ausführungsform der Erfindung. Battery cells 2 according to an embodiment of the invention.

Der Rahmen 4 umfasst eine Außenwand 5. Die Außenwand 5 kann als umlaufende Außenwand ausgebildet sein. Der Rahmen 4 kann weiterhin eine Innenwand 7, 8 oder eine Vielzahl von Innenwänden 7, 8 zum Unterteilen des Rahmens 4 in eine Vielzahl von Bereichen zur Aufnahme der Batteriezellen 2 umfassen. Der Rahmen 4 kann ein Metall wie Aluminium und / oder einen Nichtleiter wie ein Kunststoff umfassen. Wie im Folgenden mit Bezug auf Figur 2 beschrieben, sind die Größenabmessungen des Rahmens 4 an die The frame 4 comprises an outer wall 5. The outer wall 5 may be formed as a circumferential outer wall. The frame 4 may further comprise an inner wall 7, 8 or a plurality of inner walls 7, 8 for dividing the Frame 4 in a plurality of areas for receiving the battery cells 2 include. The frame 4 may comprise a metal such as aluminum and / or a non-conductor such as a plastic. As described below with reference to Figure 2, the size dimensions of the frame 4 to the

Größenabmessungen der Batteriezellen 2 angepasst. Der Rahmen 4 kann weiterhin eine Metallschicht 9 umfassen. Die Metallschicht 9 kann beispielsweise als Metallblech, Metallfolie, Metallgitter oder Metallnetz ausgebildet sein. Die Metallschicht 9 kann zum elektrischen Verbinden von Anschlüssen 3 der Batteriezellen 2 dienen. Die Metallschicht 9 kann als Rahmenboden ausgebildet sein. Size dimensions of the battery cells 2 adapted. The frame 4 may further comprise a metal layer 9. The metal layer 9 may be formed, for example, as a metal sheet, metal foil, metal mesh or metal mesh. The metal layer 9 can serve for electrically connecting terminals 3 of the battery cells 2. The metal layer 9 may be formed as a frame bottom.

Figur 2 zeigt eine Seitenansicht des Rahmens 4 mit Batteriezellen 2 nach der Ausführungsform der Erfindung. Figure 2 shows a side view of the frame 4 with battery cells 2 according to the embodiment of the invention.

Die Batteriezellen 2 sind als flache Batteriezellen wie Nussschalen-Zellen (nutshell-cells) ausgebildet. Die Batteriezellen 2 werden im Folgenden mit Bezug auf Figur 3 beschrieben. Figur 2 zeigt den Rahmen 4 eines Batteriemoduls 1, nachdem die vier Batteriezellen 2 in entsprechende Bereiche des Rahmens 4 eingeschnappt worden sind. Die Größenabmessungen des Rahmens 4 sind derart an die Größenabmessungen der Batteriezellen 2 angepasst, dass eine Übermaßpassung oder Presspassung erreicht wird. Dabei wird sichergestellt, dass beim Fügen, unabhängig von den Toleranzlagen des Rahmens 4 und der Batteriezellen 2, die Batteriezellen 2 in den Rahmen 4 einschnappen und eine dauerhafte mechanische Verbindung zwischen dem Rahmens 4 und dem Batteriezellen 2 entsteht. Eine Verwendung von Befestigungselementen und / oder Klebstoffen ist dabei in der Regel nicht erforderlich, aber auch nicht ausgeschlossen. Die Oberflächen des Rahmens 4 und der Batteriezellen 2 können aufeinander abgestimmt sein. Beispielsweise kann der Rahmen 4 eine Vielzahl von Vertiefungen (nicht in Figur 2 gezeigt) aufweisen, während die Batteriezellen 2 dazu korrespondierende Erhebungen (nicht in Figur 2 gezeigt) aufweisen können. The battery cells 2 are formed as flat battery cells such as nut shell cells (nutshell cells). The battery cells 2 will be described below with reference to FIG. FIG. 2 shows the frame 4 of a battery module 1 after the four battery cells 2 have been snapped into corresponding regions of the frame 4. The size dimensions of the frame 4 are adapted to the size dimensions of the battery cells 2 such that an interference fit or interference fit is achieved. In this case, it is ensured that during the joining, regardless of the tolerance positions of the frame 4 and the battery cells 2, the battery cells 2 snap into the frame 4 and a permanent mechanical connection between the frame 4 and the battery cell 2 is formed. A use of fasteners and / or adhesives is usually not required, but not excluded. The surfaces of the frame 4 and the battery cells 2 may be matched to each other. For example, the frame 4 may have a plurality of depressions (not shown in FIG. 2), while the battery cells 2 may have corresponding elevations (not shown in FIG. 2).

Figur 3 zeigt eine Seitenansicht eines Batteriemoduls 1 mit drei Schichten von Batteriezellen 2 nach der Ausführungsform der Erfindung. In jeder der drei Schichten, umfassend eine unterste Schicht, mittlere Schicht und oberste Schicht, sind die Batteriezellen 2 in die entsprechenden Bereiche des entsprechenden Rahmens 4 eingeschnappt. Dadurch ergibt sich die FIG. 3 shows a side view of a battery module 1 with three layers of battery cells 2 according to the embodiment of the invention. In each of the three layers comprising a lowermost layer, middle layer and uppermost layer, the battery cells 2 are snapped into the respective regions of the corresponding frame 4. This results in the

Möglichkeit, eine Vielzahl von Batteriezellen 2 sehr raumsparend anzuordnen. In jeder der drei Schichten ist der Rahmen 4 unter den Batteriezellen 2 angeordnet.Possibility to arrange a plurality of battery cells 2 very space-saving. In each of the three layers, the frame 4 is arranged below the battery cells 2.

Wie in Figur 3 beispielhaft gezeigt, können die Schichten jeweils unterschiedliche Anzahlen von Batteriezellen 2 umfassen. Alternativ können die Schichten jeweils eine identische Anzahl von Batteriezellen 2 umfassen. Die Batteriezellen 2 können jeweils, wie in Figur 3 beispielhaft gezeigt, eine ersteAs shown by way of example in FIG. 3, the layers may each comprise different numbers of battery cells 2. Alternatively, the layers may each comprise an identical number of battery cells 2. The battery cells 2 can each, as shown by way of example in Figure 3, a first

Abdeckung 3 und eine zweite Abdeckung 3, die als elektrische Anschlüsse ausgebildet und mit einer Anode der Batteriezelle 2 bzw. einer Kathode der Batteriezelle 2 verbunden sind, aufweisen. Dabei sind die beiden Abdeckungen 3 einer jeden der Batteriezellen 2 voneinander elektrisch isoliert. Somit können die Batteriezellen 2 jeweils über die erste Abdeckung 3 und zweite Abdeckung 3 elektrisch kontaktiert bzw. verbunden werden. Die Batteriezellen 2 können jeweils, wie in Figur 3 beispielhaft gezeigt, zum Beispiel bezüglich physischer Eigenschaften und / oder elektrischer Eigenschaften, identisch ausgebildet sein. Alternativ können die Batteriezellen 2 unterschiedlich ausgebildet sein. Zum Beispiel können neben Batteriezellen einer bestimmten Größe Batteriezellen halber und / oder doppelter Größe verwendet werden. Cover 3 and a second cover 3, which are formed as electrical connections and connected to an anode of the battery cell 2 and a cathode of the battery cell 2, respectively. In this case, the two covers 3 of each of the battery cells 2 are electrically isolated from each other. Thus, the battery cells 2 can be electrically contacted or connected via the first cover 3 and the second cover 3, respectively. As is shown by way of example in FIG. 3, the battery cells 2 can each be designed identically, for example with regard to physical properties and / or electrical properties. Alternatively, the battery cells 2 may be formed differently. For example, in addition to battery cells of a certain size, half and / or double size battery cells may be used.

In jeder der drei Schichten können die ersten Abdeckungen 3 der Batteriezellen 2, die in einem der drei Rahmen 4 eingeschnappt sind und als gleichnamige erste Anschlüsse dienen, jeweils über die Metallschicht 9 des entsprechendenIn each of the three layers, the first covers 3 of the battery cells 2, which are snapped into one of the three frames 4 and serve as the same first connections, respectively over the metal layer 9 of the corresponding

Rahmens 4 miteinander elektrisch verbunden werden. Weiterhin können die zweiten Abdeckungen 3 der Batteriezellen 2, die als gleichnamige zweite Anschlüsse dienen, jeweils über die Metallschicht 9 eines Rahmens 4 einer darüber liegenden Schicht miteinander elektrisch verbunden werden. Somit können die Batteriezellen 2 in jeder der drei Schichten miteinander elektrisch parallel verbunden werden und diese parallel verbundenen Batteriezellen 2 in den drei übereinander liegenden Schichten miteinander elektrisch seriell verbunden werden. Somit kann eine Kontaktierung des Batteriemoduls 1 über die unterste Schichten und die oberste Schicht, d. h. die außenliegenden Schichten, erfolgen. Die Rahmen 4 können mittels eines Halteelements oder einer Vielzahl von Halteelementen (nicht in Figur 3 gezeigt) miteinander verbunden werden. Weiterhin können Sensorfolien (nicht in Figur 3 gezeigt) zwischen den Schichten angeordnet sein. Dadurch können Spannungsinformationen der Batteriezellen 2 erfasst werden. Dadurch kann eine Anbindung an eine Frame 4 are electrically connected to each other. Furthermore, the second covers 3 of the battery cells 2, which serve as second connections of the same name, can be electrically connected to each other via the metal layer 9 of a frame 4 of an overlying layer. Thus, the battery cells 2 in each of the three layers can be electrically connected to each other in parallel and these parallel connected battery cells 2 in the three superimposed layers are electrically connected to each other in series. Thus, contacting of the battery module 1 via the lowermost layers and the uppermost layer, ie the outer layers occur. The frames 4 can be connected to each other by means of a holding element or a plurality of holding elements (not shown in FIG. 3). Furthermore, sensor foils (not shown in FIG. 3) may be arranged between the layers. As a result, voltage information of the battery cells 2 can be detected. This can be a connection to a

Zellüberwachungseinrichtung (nicht in Figur 3 gezeigt) erreicht werden. Weiterhin kann eine Widerstandsfolie (nicht in Figur 3 gezeigt) wie Cell monitoring device (not shown in Figure 3) can be achieved. Furthermore, a resistance foil (not shown in FIG. 3) such as

Widerstandsfolie mit positivem Temperatur- Koeffizient zwischen den Schichten angeordnet sein. Dadurch kann die Sicherheit in einem Fehlerfall erhöht werden.  Resistance film can be arranged with a positive temperature coefficient between the layers. This can increase safety in the event of a fault.

Weiterhin kann eine Temperierplatte (nicht in Figur 3 gezeigt) wie Kühlplatte oder potentialfreie Kühlplatte zwischen den Schichten angeordnet sein. Dadurch kann die Temperierung bzw. Kühlung der Batteriezellen 2 verbessert werden. Furthermore, a tempering plate (not shown in FIG. 3) such as a cooling plate or potential-free cooling plate can be arranged between the layers. As a result, the temperature control or cooling of the battery cells 2 can be improved.

Figur 4 zeigt eine Seitenansicht des Batteriemoduls 1' mit drei Schichten von Batteriezellen 2 nach einer anderen Ausführungsform der Erfindung. FIG. 4 shows a side view of the battery module 1 'with three layers of battery cells 2 according to another embodiment of the invention.

Das in Figur 4 gezeigte Batteriemodul 1' entspricht im Wesentlichen dem mit Bezug auf Figur 3 beschriebenen Batteriemodul 1. Das Batteriemodul 1' umfasst einen weiteren Rahmen 4', der umgekehrt und von oben auf die Batteriezellen 2 der obersten Schicht geschnappt wird. Dadurch werden die Batteriezellen 2 von dem Gehäuse vollständig umschlossen. Weiterhin können die zweiten The battery module 1 'shown in FIG. 4 essentially corresponds to the battery module 1 described with reference to FIG. 3. The battery module 1' comprises a further frame 4 ', which is snapped in reverse and from above onto the battery cells 2 of the uppermost layer. As a result, the battery cells 2 are completely enclosed by the housing. Furthermore, the second

Abdeckungen 3 der Batteriezellen 2 der obersten Schicht, die als gleichnamige zweite Anschlüsse dienen, über die Metallschicht 9 des weiteren Rahmens 4' miteinander elektrisch verbunden werden. Somit kann die Kontaktierung des Batteriemoduls 1' vereinfacht werden.  Covers 3 of the battery cells 2 of the uppermost layer, which serve as identically named second connections, are electrically connected to one another via the metal layer 9 of the further frame 4 '. Thus, the contacting of the battery module 1 'can be simplified.

Figur 5 zeigt eine Perspektivansicht des Rahmens 4 zur Aufnahme von Figure 5 shows a perspective view of the frame 4 for receiving

Batteriezellen 2 nach der Ausführungsform der Erfindung. Battery cells 2 according to the embodiment of the invention.

Der Rahmen 4 umfasst eine Außenwand 5. Die Außenwand 5 kann als umlaufende Außenwand ausgebildet sein. Der Rahmen 4 kann eine Innenwand 7, 8 oder eine Vielzahl von Innenwänden 7, 8 zum Unterteilen des Rahmens 4 in eine Vielzahl von Bereichen zur Aufnahme der Batteriezellen 2 umfassen. Die Batteriezellen 2 können in dem Bereich oder der Vielzahl von Bereichen eingeschnappt werden. In einen Bereich kann eine Batteriezelle 2 oder eine Vielzahl von Batteriezellen eingeschnappt werden. Der Rahmen 4 fixiert die Batteriezellen 2 und sichert sie, zum Beispiel, gegen ein Herausfallen und/oder Verrutschen. Je nach Bedarf kann der Rahmen 4 aus einem Metall wie The frame 4 comprises an outer wall 5. The outer wall 5 may be formed as a circumferential outer wall. The frame 4 may be an inner wall 7, 8 or a plurality of inner walls 7, 8 for dividing the frame 4 into a plurality of areas for receiving the battery cells 2 include. The battery cells 2 may be snapped in the area or the plurality of areas. In one area, a battery cell 2 or a plurality of battery cells can be snapped. The frame 4 fixes the battery cells 2 and secures them, for example, against falling out and / or slipping. As required, the frame 4 can be made of a metal such as

Aluminium und / oder aus Kunststoff hergestellt werden. Aluminum and / or made of plastic.

Figur 6 zeigt eine Perspektivansicht des Rahmens 4 zur Aufnahme von Figure 6 shows a perspective view of the frame 4 for receiving

Batteriezellen 2 nach einer weiteren Ausführungsform der Erfindung. Battery cell 2 according to another embodiment of the invention.

Der in Figur 6 gezeigte Rahmen 4 entspricht im Wesentlichen dem mit Bezug auf Figur 5 beschriebenen Rahmen 4. Der Rahmen 4 umfasst weiterhin eine The frame 4 shown in Figure 6 substantially corresponds to the frame 4 described with reference to Figure 5. The frame 4 further comprises a

Metallschicht 9. Die Metallschicht 9 kann zum elektrischen Verbinden von Anschlüssen 3 der Batteriezellen 2 dienen. Die Metallschicht 9 kann weiterhin zum thermischen Anbinden 3 der Batteriezellen 2 dienen. Die Metallschicht 9 kann als Rahmenboden ausgebildet sein. Die Metallschicht 9 kann sich teilweise oder vollständig innerhalb des Rahmens 4 erstrecken. Metal layer 9. The metal layer 9 can serve to electrically connect terminals 3 of the battery cells 2. The metal layer 9 can furthermore serve for thermal bonding 3 of the battery cells 2. The metal layer 9 may be formed as a frame bottom. The metal layer 9 may extend partially or completely within the frame 4.

Claims

Ansprüche claims 1. Gehäuse für ein Batteriemodul (1), umfassend eine Vielzahl von Batteriezellen (2), wobei die Batteriezellen (2) jeweils zwei elektrische 1. housing for a battery module (1), comprising a plurality of battery cells (2), wherein the battery cells (2) each have two electrical Anschlüsse (3) umfassen, wobei das Gehäuse einen Rahmen (4) umfasst und gleichnamige Anschlüsse (3) der Batteriezellen (2) miteinander elektrisch verbindbar sind, Comprise connections (3), wherein the housing comprises a frame (4) and identically named connections (3) of the battery cells (2) are electrically connectable to each other, dadurch gekennzeichnet, dass  characterized in that - der Rahmen (4) derart ausgebildet ist, dass die Batteriezellen (2) in den Rahmen (4) einschnappbar sind.  - The frame (4) is designed such that the battery cells (2) in the frame (4) can be snapped. 2. Das Gehäuse nach Anspruch 1, wobei: 2. The housing according to claim 1, wherein: - der Rahmen (4) unter den Batteriezellen (2) anordbar ist, oder  - The frame (4) under the battery cells (2) can be arranged, or - der Rahmen (4) über den Batteriezellen (2) anordbar ist.  - The frame (4) on the battery cells (2) can be arranged. 3. Das Gehäuse nach Anspruch 1 oder 2, wobei: 3. The housing according to claim 1 or 2, wherein: - die Batteriezellen (2) in dem Gehäuse in einer Schicht anordbar sind.  - The battery cells (2) can be arranged in the housing in a layer. 4. Das Gehäuse nach einem der vorhergehenden Ansprüche, wobei: - die gleichnamigen Anschlüsse (3) über ein Metallstück elektrisch verbindbar sind. 4. The housing according to one of the preceding claims, wherein: - the identically named terminals (3) are electrically connectable via a metal piece. 5. Das Gehäuse nach einem der vorhergehenden Ansprüche, wobei:5. The housing according to one of the preceding claims, wherein: - der Rahmen (4) weiterhin eine Innenwand (7, 8) zum Unterteilen des Rahmens (4) in eine Vielzahl von Bereichen umfasst. - The frame (4) further comprises an inner wall (7, 8) for dividing the frame (4) in a plurality of areas. 6. Das Gehäuse nach einem der vorhergehenden Ansprüche, wobei:6. The housing according to one of the preceding claims, wherein: - der Rahmen (4) ein Metall umfasst. - The frame (4) comprises a metal. 7. Das Gehäuse nach Anspruch 6, wobei: 7. The housing according to claim 6, wherein: - das Metall Aluminium ist. - The metal is aluminum. 8. Das Gehäuse nach einem der vorhergehenden Ansprüche, wobei:8. The housing according to one of the preceding claims, wherein: - der Rahmen (4) einen Nichtleiter umfasst. - The frame (4) comprises a non-conductor. 9. Das Gehäuse nach Anspruch 8, wobei: 9. The housing according to claim 8, wherein: - der Nichtleiter ein Kunststoff ist.  - The non-conductor is a plastic. 10. Das Gehäuse nach Anspruch 8 oder 9, wobei: 10. The housing according to claim 8 or 9, wherein: - der Rahmen (4) weiterhin eine Metallschicht (9) umfasst.  - The frame (4) further comprises a metal layer (9). 11. Das Gehäuse nach einem der vorhergehenden Ansprüche, wobei:11. The housing according to one of the preceding claims, wherein: - der Rahmen (4) mittels eines Halteelements mit einem weiteren Rahmen (4) zu einer Einheit verbindbar ist. - The frame (4) by means of a holding element with a further frame (4) is connectable to a unit. 12. Verfahren zum Herstellen eines Batteriemoduls (1), gekennzeichnet durch: 12. A method for manufacturing a battery module (1), characterized by - Bereitstellen des Gehäuses für ein Batteriemodul (1) nach einem der vorhergehenden Ansprüche,  Providing the housing for a battery module (1) according to one of the preceding claims, - Bereitstellen der Vielzahl von Batteriezellen (2), und  - Providing the plurality of battery cells (2), and - Einschnappen der Batteriezellen (2) in den Rahmen (4).  - Snapping the battery cells (2) in the frame (4).
PCT/EP2016/064814 2015-07-24 2016-06-27 Housing for a battery module and method for producing a battery module Ceased WO2017016772A1 (en)

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