DE102008059966B4 - Battery having a plurality of battery cells arranged in a cell assembly and using a battery - Google Patents

Battery having a plurality of battery cells arranged in a cell assembly and using a battery

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Publication number
DE102008059966B4
DE102008059966B4 DE200810059966 DE102008059966A DE102008059966B4 DE 102008059966 B4 DE102008059966 B4 DE 102008059966B4 DE 200810059966 DE200810059966 DE 200810059966 DE 102008059966 A DE102008059966 A DE 102008059966A DE 102008059966 B4 DE102008059966 B4 DE 102008059966B4
Authority
DE
Germany
Prior art keywords
battery
plate
characterized
according
battery cells
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 - Fee Related
Application number
DE200810059966
Other languages
German (de)
Other versions
DE102008059966A1 (en
Inventor
Jens Dr.-Ing. 73730 Meintschel
Dirk Dipl.-Ing. Dr. 71364 Schröter
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.)
Daimler AG
Original Assignee
Daimler 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 Daimler AG filed Critical Daimler AG
Priority to DE200810059966 priority Critical patent/DE102008059966B4/en
Publication of DE102008059966A1 publication Critical patent/DE102008059966A1/en
Application granted granted Critical
Publication of DE102008059966B4 publication Critical patent/DE102008059966B4/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/04Construction or manufacture in general
    • H01M10/0481Compression means other than compression means for stacks of electrodes and separators
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/60Heating or cooling; Temperature control
    • H01M10/61Types of temperature control
    • H01M10/613Cooling or keeping cold
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/60Heating or cooling; Temperature control
    • H01M10/62Heating or cooling; Temperature control specially adapted for specific applications
    • H01M10/625Vehicles
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/60Heating or cooling; Temperature control
    • H01M10/64Heating or cooling; Temperature control characterised by the shape of the cells
    • H01M10/647Prismatic or flat cells, e.g. pouch cells
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/60Heating or cooling; Temperature control
    • H01M10/65Means for temperature control structurally associated with the cells
    • H01M10/655Solid structures for heat exchange or heat conduction
    • H01M10/6556Solid parts with flow channel passages or pipes for heat exchange
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2/00Constructional details or processes of manufacture of the non-active parts
    • H01M2/10Mountings; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M2/1016Cabinets, cases, fixing devices, adapters, racks or battery packs
    • H01M2/1072Cabinets, cases, fixing devices, adapters, racks or battery packs for starting, lighting or ignition batteries; Vehicle traction batteries; Stationary or load leading batteries
    • H01M2/1077Racks, groups of several batteries
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/05Accumulators with non-aqueous electrolyte
    • H01M10/052Li-accumulators
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage
    • Y02E60/12Battery technologies with an indirect contribution to GHG emissions mitigation
    • Y02E60/122Lithium-ion batteries
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50Manufacturing or production processes characterised by the final manufactured product
    • Y02P70/54Manufacturing of lithium-ion, lead-acid or alkaline secondary batteries

Abstract

Battery (1) having a plurality of battery cells (2) arranged in a cell assembly, a cooling device for controlling the temperature of the battery cells (2) and electrical components for monitoring and / or controlling battery functions, characterized in that the cooling device has a cooling plate (3) arranged on the cell assembly which has a cooling channel in its interior, through which a coolant can flow, that a pressure plate (5) for pressing the battery cells (2) on the cooling plate (3) is arranged on the cell assembly, wherein the pressure plate (5) at least one of contains electrical components and that cell composite and the cooling plate (3) are pressed together by guided around them clamping elements (8), wherein the clamping elements (8) contain elastic means (8.1, 8.2).

Description

  • The invention relates to a battery having a plurality of battery cells arranged in a cell assembly, a cooling device for temperature control of the battery cells and electrical components for monitoring and / or control of battery functions.
  • Typically, a battery for use in motor vehicles, in particular in motor vehicles with a hybrid drive or in electric vehicles, a plurality of electrically connected in series and / or parallel battery cells, such as lithium-ion cells, on.
  • The battery cells must be cooled to dissipate the resulting heat loss. For this purpose, usually an indirect cooling, by a coolant circuit or a direct cooling means of pre-cooled air, which is passed between the cells used.
  • When preferred for reasons of space cooling through the coolant circuit is arranged on the cell block of the battery through which a coolant metal cooling plate, preferably below the battery cells.
  • From the battery cells to the cooling plate, the heat loss is either via separate heat conducting elements, eg. As thermal conductors or sheets, or passed over appropriately thickened cell housing walls of the battery cells.
  • Frequently, the cell housing of the battery cells are made metallic and it is due to an electrical voltage. To prevent short circuits, the cooling plate of the cell housings then by an electrical insulation, such as a
  • Wärmeleitfolie, a molded body, a potting compound or applied to the cooling plate coating or film separated.
  • There are already known various such batteries. For example, batteries are known, the battery cells are designed as so-called flat cells, which are formed substantially parallelepiped-shaped and stacked one behind the other on a cooling plate. The battery cells are pressed by a clamping device, for example by a separate clamping plate and / or by clamping bands to the cooling plate.
  • Furthermore, batteries are known which have electrical components for monitoring and / or controlling battery functions, for example the cell voltages or cell temperatures. Such electrical components are often combined in a common electronic module.
  • A battery having a plurality of flat cell battery cells, a cooling device for cooling the battery cells and an electronic assembly for monitoring and / or control of battery functions is off US 2005/0089750 A1 known.
  • Batteries with flat cells and an electronic module for monitoring and / or control of battery functions are also out US 6797018 B2 and US 6956355 B2 known.
  • In the DE 198 10 746 A1 For example, a circuit board is proposed with a circuit for monitoring a multicell accumulator battery whose cells and pole terminals are located in one plane. The board has segments separated by slots, which are assigned to the individual cells and connected to their pole terminals. On the segments of the board are taps for the temperature and the voltage of the cell and at least one segment has data lines to common inputs and outputs of a data bus.
  • To DE 10 2006 030 605 A1 an arrangement with a fuel cell stack is known, which is at least partially surrounded by a thermally insulating material and are applied to the forces by means of a clamping device, wherein the clamping device is an elastic sleeve.
  • Furthermore, in US 6040072 A an arrangement for clamping battery cells, in which a plurality of components is tensioned by means of straps or straps, wherein the straps or straps are connected to a metallic member. The arrangement may also include means for adjusting a defined clamping force by means of screws.
  • Out DE 198 10 746 A1 For example, a lithium-ion battery is known that consists of several prismatic cells that are grouped together by glass fiber mats, side plates, and honeycomb plates. The arrangement includes a circuit board with a circuit for monitoring a multi-line accumulator battery. On segments of the board are taps for the temperature and the voltage of the cells and on at least one segment of data lines to common inputs and outputs of a data bus. The assembly includes electronics for monitoring and controlling the charge of the cells, including measuring the temperature.
  • Furthermore, it is off DE 10 2006 042 109 A1 a tensioning device for a housing for receiving a fuel cell stack known in which are used for clamping two housing halves spring-loaded clamp.
  • The invention has for its object to provide an improved battery with multiple battery cells, a cooling device for controlling the temperature of the battery cells and electrical components for monitoring and / or control of battery functions.
  • The object is achieved by an arrangement having the features specified in claim 1.
  • Advantageous embodiments of the invention are the subject of the dependent claims.
  • The battery according to the invention has a plurality of cell cells forming a battery cell, a cooling device for controlling the temperature of the battery cells and electrical components for monitoring and / or control of battery functions. The cooling device comprises a cooling plate arranged on the cell assembly and on the cell assembly a pressure plate for pressing the battery cells is arranged on the cooling plate. In this case, the pressure plate on at least one of the electrical components. Cell composite and cooling plate are pressed together by guided around them clamping elements together, wherein the clamping elements contain elastic means.
  • The use of a cooling plate is advantageous because a cooling plate is a simple and inexpensive device for controlling the temperature of the battery cells. By integrating electrical components of the battery in the pressure plate, the pressure plate is used simultaneously for pressing the cooling plate to the battery cells and as a carrier for electrical components of the battery. As a result, space and manufacturing costs of the battery are advantageously saved. By using tensioning elements with elastic means, it is possible to compensate expansions of the cells, which can be caused by thermal influences or by internal pressure changes, without the stresses in the cell block exceeding critical values or the required contact pressure of the cells with each other or with the cooling plate being lost.
  • An advantageous embodiment provides that the clamping elements themselves are designed to be elastic. Thus, a secure connection with a long service life can be achieved. The battery cells are pressed with constant force to the cooling plate, so that a good thermal contact between the battery cells and the cooling plate is made possible.
  • It is possible that the clamping elements are designed as tension bands with tension springs, or that the clamping elements are designed as a wave-shaped band. This design can be inexpensively manufactured by simple means.
  • It is advantageous to arrange a respective tension spring above the pressure plate, below the cooling plate and on an outer side of the front pole plate and on an outer side of the rear pole plate. This ensures a defined contact force both in the longitudinal direction and in the direction perpendicular thereto.
  • Furthermore, it is possible that the clamping elements are designed as clamping bands, and that between the clamping bands and the components enclosed by them is an elastic element. This design ensures a uniform load distribution.
  • In this case, an advantageous embodiment is also provided by the fact that in each case an elastic element above the pressure plate, below the cooling plate and on an outer side of the front pole plate and on an outer side of the rear pole plate is arranged to a defined contact force both in the longitudinal direction and in perpendicular thereto To ensure direction.
  • Advantageously, the clamping bands made of metal or plastic. These materials are inexpensive and allow a long life.
  • In a preferred embodiment of the invention, the pressure plate above the battery cells and the cooling plate are arranged below the battery cells.
  • As a result, the pressure plate, the battery cells and the cooling plate geometrically simple to each other, resulting in a cost-effective production and installation of the battery results.
  • By arranging a heat conducting plate between the battery cells and the cooling plate, the cooling effect can be further improved.
  • Electrical components on the pressure plate are preferably a cell voltage compensation element for compensating different charge states of battery cells and / or a cell voltage monitoring element.
  • These known components advantageously improve the functionality of the battery.
  • In a preferred embodiment of the invention, the battery cells each have a substantially cuboidal cell housing and are stacked along a battery longitudinal axis arranged one behind the other.
  • This allows a particularly compact and thus space-saving design of the battery.
  • An embodiment of the battery with square-shaped battery cells further preferably provides that the battery has a front and a rear pole plate, which complete the cell assembly at a front and a rear end. The front and the rear pole plate each form one pole of the battery.
  • In this way, the battery cells can be pressed together by means of the pole plates in a longitudinal direction of the cell assembly and also fixed in position and the pole plates can be advantageously used as electrical terminals of the battery.
  • The front and the rear pole plate also preferably each have at least one attachment lug, which is angled parallel to the pressure plate of the pole plate and frictionally rests against the pressure plate.
  • As a result, the pressure plate can advantageously be used in addition to the positioning of the pole plates.
  • A battery according to the invention is intended in particular for use in a motor vehicle, wherein the motor vehicle is in particular a hybrid vehicle or an electric vehicle.
  • Further advantages, features and details of the invention are described below with reference to embodiments with reference to drawings.
  • Showing:
  • 1 a schematic representation of a spring-tensioned cell block of Rahmenflachzellen,
  • 2 a battery having flat cell cells designed as battery cells, in which between the cell block circulating clamping device and the cell block, an elastic element is inserted,
  • 3 a perspective view of a resiliently strained cell block of Rahmenflachzellen and
  • 4 an exploded view of a resiliently strained cell block of Rahmenflachzellen.
  • Corresponding parts are provided in all figures with the same reference numerals.
  • 1 shows an embodiment of a battery 1 with a plurality of cell cells forming a battery cells 2 , The battery cells 2 are formed in this embodiment as so-called Rahmenflachzellen with a narrow, substantially cuboid cell housing. The battery cells 2 are arranged plane-parallel one behind the other and depending on the application parallel or / and series electrically interconnected.
  • Under the battery cells 2 is a cooling plate 3 for tempering the battery cells 2 arranged. The cooling plate 3 has in its interior a cooling channel through which a coolant can flow. Between the cooling plate 3 and the bottom surfaces of the battery cells 2 is a heat-conducting foil 4 made of electrically insulating material, which is the cooling plate 3 from the battery cells 2 electrically isolated. Over the battery cells 2 is a pressure plate 5 arranged. The pressure plate 5 is designed as a printed circuit board of an electrically insulating carrier material, preferably made of plastic with an optional glass fiber reinforcement, and carries electrical components for monitoring and / or controlling the battery functions and conductor tracks, which are not shown. Such electrical components are, for example, cell voltage monitoring elements and / or cell voltage compensation elements to compensate for different charge levels of battery cells, which are present for example on the circuit board in the form of microchips, and / or temperature sensors for monitoring a temperature of the battery cells 2 ,
  • At a front end of the cell composite is a front pole plate 6 and at a rear end of the cell assembly is a rear pole plate 7 arranged. The pole plates 6 and 7 each form one pole of the battery 1 and each have one over the pressure plate 5 protruding flag-like extension 6.1 . 7.1 on, which each have a pole contact of the battery 1 forms.
  • Furthermore, the pole plates 6 and 7 two attachment lugs each 6.2 . 7.2 on, parallel to the pressure plate 5 from the respective pole plate 6 . 7 are angled and on the pressure plate 5 issue. The pressure plate 5 , the battery cells 2 and the cooling plate 3 are formed by two clamping bands designed as clamping bands 8th pressed together, each around the pressure plate 5 , the pole plates 6 . 7 and the cooling plate 3 are guided around, with the clamping elements 8th contain elastic agents. In the example shown here are the clamping elements 8th elastic. For this purpose, there are the clamping elements 8th from tension bands, on which tension springs 8.1 are arranged. It is also possible that the clamping elements 8th are designed as wave-shaped tension bands. The introduction of forces into the cell block takes place in the axial direction via the front pole plate 6 and the rear pole plate 7 , In the direction perpendicular to this, the force will be down on the cooling plate 3 and above the pressure plate 5 initiated. As a material for the straps metal or plastic, preferably with glass fiber, Kevlar or metal reinforcement is well suited.
  • In 2 an embodiment is shown in which between the cell block rotating clamping device and the cell block elastic elements 8.2 are located. As elastic elements 8.2 Foam mats or corrugated metal springs can be used. The tension band runs around the cell block and ensures a constant contact force in the axial direction as well as in the direction of the vertical axis.
  • The 3 and 4 show a battery 1 , It shows 3 the battery 1 in a perspective view and 4 shows an exploded perspective view of the battery 1 ,
  • The cooling plate 3 has in its interior a cooling channel through which a coolant can flow and two coolant connections 3.1 for supplying and removing the coolant. About the coolant connections 3.1 is the cooling plate 3 connectable to a coolant circuit, not shown, via the heat absorbed by the coolant waste heat from the battery 1 is deductible.
  • LIST OF REFERENCE NUMBERS
  • 1
    battery
    2
    battery cell
    3
    cooling plate
    3.1
    Coolant connection
    4
    Heat conducting
    5
    platen
    6
    front pole plate
    7
    rear pole plate
    6.1, 7.1
    banner-like extension
    6.2, 7.2
    fixing lug
    8th
    clamping element
    8.1
    mainspring
    8.2
    elastic element

Claims (16)

  1. Battery ( 1 ) with a plurality of battery cells arranged in a cell network ( 2 ), a cooling device for temperature control of the battery cells ( 2 ) and electrical components for monitoring and / or control of battery functions, characterized in that the cooling device arranged on the cell assembly cooling plate ( 3 ), which in its interior has a cooling channel, which can be traversed by a coolant, that at the cell assembly a pressure plate ( 5 ) for pressing the battery cells ( 2 ) to the cooling plate ( 3 ), wherein the pressure plate ( 5 ) contains at least one of the electrical components and that cell composite and the cooling plate ( 3 ) by guided around them clamping elements ( 8th ) are pressed together, wherein the clamping elements ( 8th ) elastic means ( 8.1 . 8.2 ) contain.
  2. Battery ( 1 ) according to claim 1, characterized in that the clamping elements ( 8th ) are elastically formed.
  3. Battery ( 1 ) according to claim 2, characterized in that the clamping elements ( 8th ) as tension bands with tension springs ( 8.1 ) are formed.
  4. Battery ( 1 ) according to one of the preceding claims, characterized in that the pressure plate ( 5 ) above the battery cells ( 2 ) and that the cooling plate ( 3 ) below the battery cells ( 2 ) is arranged.
  5. Battery ( 1 ) according to any one of the preceding claims, characterized in that the cell assembly by a front pole plate ( 6 ) and a rear pole plate ( 7 ) is completed at each of a front and a rear end, wherein the front pole plate ( 6 ) and the rear pole plate ( 7 ) each one pole of the battery ( 1 ) form.
  6. Battery ( 1 ) according to claim 3, characterized in that in each case a tension spring ( 8.1 ) above the pressure plate ( 5 ), below the cooling plate ( 3 ) and on an outside of the front pole plate ( 6 ) and on an outer side of the rear pole plate ( 7 ) is arranged.
  7. Battery ( 1 ) according to claim 2, characterized in that the clamping elements ( 8th ) are formed as wave-shaped tension bands.
  8. Battery ( 1 ) according to claim 1, characterized in that the clamping elements ( 8th ) are designed as clamping bands and between the clamping bands and the components enclosed by them at least one elastic element ( 8.2 ) is arranged.
  9. Battery ( 1 ) according to claim 8, characterized in that in each case an elastic element ( 8.2 ) above the pressure plate ( 5 ), below the cooling plate ( 3 ) and on an outside of the front pole plate ( 6 ) and on an outer side of the rear pole plate ( 7 ) is arranged.
  10. Battery ( 1 ) according to one of claims 3 to 9, characterized in that the clamping bands made of metal or plastic.
  11. Battery ( 1 ) according to one of the preceding claims, characterized in that between battery cells ( 2 ) and cooling plate ( 3 ) a heat conducting plate ( 4 ) is arranged from an electrically insulating material.
  12. Battery ( 1 ) according to one of the preceding claims, characterized in that an electrical component on the pressure plate ( 5 ) a cell voltage compensation element for balancing different charge levels of battery cells ( 2 ).
  13. Battery ( 1 ) according to one of claims 1 to 11, characterized in that an electrical component on the pressure plate ( 5 ) is a cell voltage monitoring element.
  14. Battery ( 1 ) according to one of the preceding claims, characterized in that the battery cells ( 2 ) each have a substantially cuboidal cell housing and stacked along a battery longitudinal axis are arranged one behind the other.
  15. Battery ( 1 ) according to one of claims 5 to 14, characterized in that the front pole plate ( 6 ) and the rear pole plate ( 7 ) at least one attachment nose ( 6.2 . 7.2 ), which are parallel to the pressure plate ( 5 ) of the respective pole plate ( 6 . 7 ) is angled and positively on the pressure plate ( 5 ) is present.
  16. Using a battery ( 1 ) according to one of claims 1 to 15 in a motor vehicle, wherein the motor vehicle is a hybrid vehicle or an electric vehicle.
DE200810059966 2008-12-02 2008-12-02 Battery having a plurality of battery cells arranged in a cell assembly and using a battery Expired - Fee Related DE102008059966B4 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE200810059966 DE102008059966B4 (en) 2008-12-02 2008-12-02 Battery having a plurality of battery cells arranged in a cell assembly and using a battery

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE200810059966 DE102008059966B4 (en) 2008-12-02 2008-12-02 Battery having a plurality of battery cells arranged in a cell assembly and using a battery

Publications (2)

Publication Number Publication Date
DE102008059966A1 DE102008059966A1 (en) 2010-06-10
DE102008059966B4 true DE102008059966B4 (en) 2011-06-22

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DE10343766A1 (en) * 2003-09-16 2005-06-02 Sven Dr. Jakubith Electrochemical cells preferably fuel cell, stack clamping device has struts through pressure plates forming force transfer connection elements with clamp elements, pressure plate stiffening bearers
DE102004027694A1 (en) * 2004-02-05 2005-08-25 Daimlerchrysler Ag Fuel cell stack has elements clamped together using convex dish shape spring elements loaded by a clamping band
DE102006030605A1 (en) * 2006-07-03 2008-01-10 Webasto Ag Arrangement with a fuel cell stack and method for clamping a fuel cell stack
DE102006042109A1 (en) * 2006-09-07 2008-03-27 Enerday Gmbh Housing for receiving at least one fuel cell stack

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014019000A1 (en) 2014-12-18 2016-06-23 Daimler Ag Cell block for a motor vehicle battery

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