EP2269247A1 - Batterie avec une plaque thermoconductrice et plusieurs éléments individuels - Google Patents

Batterie avec une plaque thermoconductrice et plusieurs éléments individuels

Info

Publication number
EP2269247A1
EP2269247A1 EP09713061A EP09713061A EP2269247A1 EP 2269247 A1 EP2269247 A1 EP 2269247A1 EP 09713061 A EP09713061 A EP 09713061A EP 09713061 A EP09713061 A EP 09713061A EP 2269247 A1 EP2269247 A1 EP 2269247A1
Authority
EP
European Patent Office
Prior art keywords
cell
battery according
battery
individual cells
pressure plates
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP09713061A
Other languages
German (de)
English (en)
Inventor
Arnold Lamm
Jens Meintschel
Dirk Schröter
Wolfgang Warthmann
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.)
Mercedes Benz Group 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
Publication of EP2269247A1 publication Critical patent/EP2269247A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/258—Modular batteries; Casings provided with means for assembling
    • 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
    • H01M10/04—Construction or manufacture in general
    • H01M10/0413—Large-sized flat cells or batteries for motive or stationary systems with plate-like electrodes
    • 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
    • H01M10/04—Construction or manufacture in general
    • H01M10/0468—Compression means for stacks of electrodes and separators
    • 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
    • H01M10/04—Construction or manufacture in general
    • H01M10/0481—Compression means other than compression means for stacks of electrodes and separators
    • 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
    • H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
    • 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
    • H01M10/61—Types of temperature control
    • H01M10/613—Cooling or keeping cold
    • 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
    • H01M10/64—Heating or cooling; Temperature control characterised by the shape of the cells
    • H01M10/647—Prismatic or flat cells, e.g. pouch cells
    • 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
    • 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
    • H01M10/6556—Solid parts with flow channel passages or pipes for heat exchange
    • 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
    • H01M50/296—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by terminals of battery packs
    • 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
    • H01M50/503—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing characterised by the shape of the interconnectors
    • 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
    • H01M50/509—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing characterised by the type of connection, e.g. mixed connections
    • 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
    • H01M50/509—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing characterised by the type of connection, e.g. mixed connections
    • H01M50/51—Connection only in series
    • 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
    • H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
    • H01M10/625—Vehicles
    • 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
    • H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
    • H01M10/6569—Fluids undergoing a liquid-gas phase change or transition, e.g. evaporation or condensation
    • 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
    • H01M10/66—Heat-exchange relationships between the cells and other systems, e.g. central heating systems or fuel cells
    • H01M10/663—Heat-exchange relationships between the cells and other systems, e.g. central heating systems or fuel cells the system being an air-conditioner or an engine
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50—Manufacturing or production processes characterised by the final manufactured product

Definitions

  • the invention relates to a battery with a heat conducting plate and a plurality of individual cells, which are combined to form a cell composite, wherein pole contacts of the individual cells are electrically connected in parallel and / or series, wherein the cell assembly and the heat conducting plate are completely enclosed by a clamping element and the front side at a first Single cell and an electrical connection element is arranged on a last single cell.
  • the pole contacts are electrically and / or connected in parallel with each other and form a cell composite. Furthermore, a heat conducting plate for cooling the battery is provided, which dissipates a heat loss arising in the battery. At least the cell assembly and the heat conducting plate are arranged in a housing frame, which is formed in particular as at least one clamping element completely enclosing the cell assembly and the heat conducting plate. In addition, an electrical connection element is respectively arranged on a first housing side wall of a first individual cell and a housing side wall of a last individual cell of the cell assembly for electrical contacting of the battery.
  • the disadvantage here is that by means of the at least one at least the cell composite and the heat conducting completely surrounding clamping element, the first and the last single cell of the cell network are heavily loaded.
  • the invention is therefore based on the object to provide an improved battery, which overcomes the features specified in the prior art and is simple and inexpensive to produce.
  • the battery with a heat conduction plate for temperature control of the battery has a plurality of individual cells, which are combined to form a cell group. Pole contacts of the individual cells are electrically connected in parallel and / or in series with each other.
  • the cell assembly and the heat conducting plate are completely enclosed by clamping elements, wherein an electrical connection element is arranged on the front side on a first individual cell and on a last individual cell.
  • a pressure plate is arranged on the end side between the first individual cell of the cell assembly and the clamping elements and on the end side between the last individual cell and the clamping elements.
  • a cell composite is formed in an advantageous manner, in which due to the pressure forces generated by the pressure plates and acting on the cell structure high pressure forces a secure series connection is possible.
  • a mechanical stress of the individual cells is largely avoided.
  • the pressure plates are electrically conductive at least at one contact side, which is directed to the cell assembly.
  • the contact sides are metallic, for example by applying a metallic foil executed.
  • the fact that the pressure plates are electrically formed on the contact side, these form at the same time particularly preferably the electrical connection elements of the battery.
  • the pressure plates have at least on one side flag-like extensions.
  • these flag-like extensions advantageously form the poles of the battery, whereby a voltage can be removed.
  • one pole is designed, for example, as a positive pole and the other pole as a negative pole.
  • an electronic component is arranged on the head side to the individual cells, which has in an advantageous manner to the flag-like extensions corresponding recesses, whereby a positive mounting of the battery is ensured.
  • the pressure plates on material recesses which particularly preferably correspond to the dimensions, in particular a width of the clamping elements. Based on this correspondence, which is formed as a kind of leadership of the clamping elements, a non-positive compression of at least the individual cells of the cell assembly can be realized.
  • the height and width dimensions of the pressure plates correspond to the dimensions of a single cell.
  • the individual cells and / or the pole contacts of various individual cells are non-positively, positively and / or cohesively connected to each other. As a result, a permanent electrical contact between the pole contacts of the individual cells is ensured in a simple manner.
  • the individual cells are formed from an electrode stack arranged in a cell housing, wherein at least electrodes of different polarity are separated from one another by a separator, preferably a separator foil, from one another.
  • a separator preferably a separator foil
  • an edge region of the respective electrode foil guided to the outside of the electrode stack forms a stromabieitervahne, whereby a complex contacting of electrode foil and Stromabieiterfahne deleted.
  • this type of contacting is very safe against at least many, especially external influences such as shock or vibration.
  • Stromabieiterfahen same polarity are electrically connected together to form a pole. Further are Stromabieiterfahen a pole electrically conductive pressed together and / or welded.
  • an additional insulating arrangement can be advantageously saved. Furthermore, the handling of the single cell is made easier or safer.
  • 1 is a perspective view in schematic view of a battery according to the prior art
  • 2 is an exploded view of a battery with the cell assembly frontally arranged pressure plates
  • FIG. 3 shows a perspective view in schematic view of a battery according to the invention arranged on the cell assembly pressure plates
  • FIG. 4 is a schematic sectional view of a cell assembly with the heat-conducting plate arranged on the bottom side and pressure plates arranged on the end side,
  • Fig. 5 is an exploded view of a cell assembly with front side arranged pressure plates
  • FIG. 6 is a schematic side view of a cell assembly with end plates arranged pressure plates according to Figure 4.
  • FIG. 1 shows a battery 1 according to the prior art.
  • the battery 1 is formed from a plurality of individual cells 2, which are combined to form a cell group 3.
  • the single cell 2 is designed as a flat cell, in particular crizoflachzelle.
  • a cell housing 2.1 of the single cell 2 is formed of two housing side walls 2.1.1 and 2.1.2 and an edge-surrounding frame 2.1.3 arranged therebetween.
  • the housing side walls 2.1.1 and 2.1.2 of the single cell 2 are made electrically conductive and do not form closer
  • the frame 2.1.3 is designed to be electrically insulating, so that the housing side walls 2.1.1 and 2.1.2 different polarity are arranged electrically isolated from each other.
  • a housing side wall 2.1.1 and 2.1.2 on a partial extension V which protrudes beyond the single cell 2.
  • This partial extension V is a line voltage monitoring.
  • the cell assembly 3 and a heat-conducting plate 4 arranged on the bottom side relative to the individual cells 2 are completely enclosed by two clamping elements 5 which force-fit at least the individual cells 2 of the cell assembly 3. Due to the acting forces, which are generated by the clamping elements 5, in particular a first single cell 2a and a last single cell 2b, which are each arranged on the front side in the cell assembly 3, heavily loaded.
  • an electrical connection element 6 is arranged on a cell side wall of the first individual cell 2a of the cell assembly 3. This connection element 6 is designed as an electrical connection lug and forms the positive pole P PO s of the battery 1.
  • connection element 6 is arranged at the Zeil cleanlinesswand the last single cell 2b of the cell assembly 3.
  • This connection element 6 is likewise embodied as an electrical connection lug and forms the negative pole P NEG of the battery 1.
  • FIG. 2 shows a battery 1 which is used, for example, in a vehicle, in particular a hybrid and / or electric vehicle.
  • the battery 1 in particular the cell assembly 3, for example, from thirty individual cells 2 is formed.
  • the individual cells 2, which are designed as termeffleflachzellen are connected in particular via the pole contacts in series with each other.
  • the heat conducting plate 4 is arranged for controlling the temperature of the battery 1.
  • the heat-conducting plate 4 has connection points 4.1, via which it can be connected, for example, to an air-conditioning circuit of a vehicle.
  • the housing side walls 2.1.1 and 2.1.2 are angled to increase a heat transfer surface between the single cell 1 and heat conducting 4 in the region of the heat conduction plate 4 parallel to this.
  • the individual cells 2 are thermally coupled directly or indirectly via a heat-conductive material, in particular a heat-conducting foil 7, to the heat-conducting plate 4, so that effective cooling of the battery 1 is achieved.
  • a pressure plate 8 is arranged on the end side between the first individual cell 2a of the cell assembly 3 and the clamping elements 5 and on the end side between the last individual cell 2b and the clamping elements 5.
  • a cell assembly 3 is particularly preferably formed, whereby a secure series connection can be realized. Furthermore, mechanical forces acting on the first individual cell 2a and last individual cell 2b of the cell assembly 3 are distributed uniformly and over the entire surface of the pressure plate 8.
  • the pressure plates 8 are electrically conductive at least on one contact side to the cell assembly 3.
  • the contact side of the pressure plate 8 may be provided, for example, with a metallic foil.
  • the pressure plates 8 form the electrical connection elements 6.
  • the pressure plates 8 on one side flag-like extensions 8.1. This banner-like
  • Extensions 8.1 are carried out in an advantageous manner as the poles of the battery 1, via which a voltage of the battery 1, for example, can be removed.
  • one pole is formed as a positive pole P PO s and the other pole as a negative pole P NEG of the battery 1.
  • a film which z. B. made of nickel, provided and arranged between the pressure plates and the first single cell 2a and the last single cell 2b.
  • an electronic component 9 which has at least not shown devices for cell voltage monitoring and / or to a cell voltage equalization of the individual cells 2.
  • the partial extension V of the housing side wall 2.1.1 and 2.1.2 is formed on the individual cells 2.
  • the electronic component 9 may be formed in a continuation of the invention as encapsulated electronic assembly.
  • the electronic component 9 is arranged on the head side to the cell assembly 3 and has to the flag-like extensions 8.1, in particular the poles Pp 0S and P NEG , the pressure plates 8 corresponding recesses 9.1. Through the recesses 9.1 a positive mounting of the battery 1 is ensured.
  • the pressure plates 8 in a particularly preferred manner on material recesses 8.2, which to the Clamping elements 5, in particular a thickness, the clamping elements 5 correspond.
  • this correspondence which is formed as a kind of guidance of the clamping elements 5, a secure compression of at least the individual cells 2 of the cell assembly 3 can be realized, so that the individual cells 2 are held positively and non-positively.
  • height and width extension of the pressure plate (8) correspond particularly preferably to the dimensions of a single cell (2), in particular an end face of the cell composite 3.
  • the material depressions 8.2 are formed as a type of guide, a secure frictional compression of the cell composite 3 can be realized in an advantageous manner.
  • FIG. 3 shows a mounted battery 1 with pressure plates 8 arranged on the first individual cell 2a and on the last individual cell 2b of the cell assembly 3.
  • FIG. 4 shows a sectional view of the cell assembly 3, each with a pressure plate 8 arranged on the front side.
  • an arranged electrode stack 10 which is formed from electrode foils not shown in detail, is shown in a cell housing 2.1 of a single cell 2.
  • the electrode foils of different polarity in particular aluminum and / or copper foils and / or foils of a metal alloy, are stacked on top of one another and electrically insulated from one another by means of a separator, not shown in detail, in particular a separator foil.
  • a separator not shown in detail, in particular a separator foil.
  • electrode films of the same polarity are electrically connected together.
  • the Stromabieiterfahen be electrically conductively pressed together and / or welded and form the poles of
  • Electrode stack 10 The electrode stack 10 is arranged in the edge surrounding the electrode stack 10 frame.
  • the invention can between the poles, which z. B. made of copper, and the housing side walls 2.1.1 and 2.1.2, which z. B. made of aluminum, in addition a film not shown, which z. B. made of nickel, may be arranged to achieve an improved electrical connection between the poles and the housing side walls 2.1.1 and 2.1.2.
  • an electrically insulating film not shown in detail between the poles and the housing side walls 2.1.1 and 2.1.2 or the housing side walls 2.1.1 and 2.1.2 on one side with an electrical insulating layer so that an electrical contacting of the poles with the housing side walls 2.1.1 and 2.1.2 only at a not further running, known from the prior art through-welding process from the outside by the housing side walls 2.1.1 and 2.1.2 arises.
  • FIGS. 5 and 6 each show different views of the cell composite 3 with pressure plates 8 arranged on the end side.

Abstract

L'invention concerne une batterie (1) avec une plaque thermoconductrice (4) et plusieurs éléments individuels (2) qui sont réunis en un ensemble d’éléments (3). Les contacts polaires des éléments individuels (2) sont reliés électriquement entre eux en parallèle et/ou en série. L’ensemble d’éléments (3) et la plaque thermoconductrice (4) sont totalement entourés par un élément de serrage (5). Une plaque presseuse respective (8) est disposée entre le premier élément individuel (2a) et les éléments de serrage (5), et sur le côté frontal entre le dernier élément individuel (2b) et les éléments de serrage (5).
EP09713061A 2008-02-23 2009-02-19 Batterie avec une plaque thermoconductrice et plusieurs éléments individuels Withdrawn EP2269247A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE200810010825 DE102008010825A1 (de) 2008-02-23 2008-02-23 Batterie mit einer Wärmeleitplatte und mehreren Einzelzellen
PCT/EP2009/001178 WO2009103526A1 (fr) 2008-02-23 2009-02-19 Batterie avec une plaque thermoconductrice et plusieurs éléments individuels

Publications (1)

Publication Number Publication Date
EP2269247A1 true EP2269247A1 (fr) 2011-01-05

Family

ID=40626538

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09713061A Withdrawn EP2269247A1 (fr) 2008-02-23 2009-02-19 Batterie avec une plaque thermoconductrice et plusieurs éléments individuels

Country Status (6)

Country Link
US (1) US20110052961A1 (fr)
EP (1) EP2269247A1 (fr)
JP (1) JP2011512632A (fr)
CN (1) CN101946343A (fr)
DE (1) DE102008010825A1 (fr)
WO (1) WO2009103526A1 (fr)

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JP2011512632A (ja) 2011-04-21
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CN101946343A (zh) 2011-01-12
US20110052961A1 (en) 2011-03-03

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