WO2010109001A1 - Batterie électrique - Google Patents

Batterie électrique Download PDF

Info

Publication number
WO2010109001A1
WO2010109001A1 PCT/EP2010/053971 EP2010053971W WO2010109001A1 WO 2010109001 A1 WO2010109001 A1 WO 2010109001A1 EP 2010053971 W EP2010053971 W EP 2010053971W WO 2010109001 A1 WO2010109001 A1 WO 2010109001A1
Authority
WO
WIPO (PCT)
Prior art keywords
battery unit
unit according
heat sink
battery
receptacles
Prior art date
Application number
PCT/EP2010/053971
Other languages
German (de)
English (en)
Inventor
Martin Michelitsch
Original Assignee
Magna Steyr Fahrzeugtechnik Ag & Co Kg
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 Magna Steyr Fahrzeugtechnik Ag & Co Kg filed Critical Magna Steyr Fahrzeugtechnik Ag & Co Kg
Publication of WO2010109001A1 publication Critical patent/WO2010109001A1/fr

Links

Classifications

    • 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
    • H01M10/6557—Solid parts with flow channel passages or pipes for heat exchange arranged between the 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
    • H01M50/271—Lids or covers for the racks or secondary casings
    • 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
    • H01M10/643—Cylindrical 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
    • H01M50/204—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
    • H01M50/213—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for cells having curved cross-section, e.g. round or elliptic
    • 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 present invention relates to an electrical battery unit consisting of battery cells with a layered layer of cylindrical structure and a battery pack composed of such battery units.
  • Battery cells of this kind e.g. Lithium ion cells
  • Battery cells of this kind because of their layer structure of flexible coiled layers only low mechanical stability and are therefore currently provided with a supporting cell jacket in the form of a metal or plastic.
  • Each battery cell thus forms a self-contained, stable component.
  • the support structure for the battery cells must be sufficiently rigid to provide protection in the event of a crash, otherwise there is a risk of short circuit in case of excessive deformation of the cells.
  • the cell jacket is usually a cause for achieving good heat dissipation.
  • ration compensation layer between the battery cell cells, and their support is required to prevent air leakage. This means a sub-optimal heat transfer due to the large number of layers to be overcome, from the cell chemistry layer structure to the cell shell, from the cell shell to the tolerance compensation layer and from the tolerance compensation layer to the partition wall to the coolant.
  • the object of the invention is to create an electrical battery unit consisting of battery cells, each with a cylindrical layered layer structure, which overcomes the disadvantages of the prior art.
  • This object is achieved with a battery unit of the type mentioned, which is distinguished according to the invention by a heat sink of thermally conductive material with cylindrical receptacles, m is used in each case a coiled layer structure without supporting cell casing. In this way several advantages are achieved:
  • the heat sink of thermally conductive material is also the carrier of the cell chemistry layer structure.
  • Cost optimization Em separate cell casing omitted, and there is also no further Verbauvorgang for the individual battery cells longer necessary, since they are directly m integrated in the combined support and heat sink. Cooling optimization: With the elimination of the separate cell jacket for each battery cell is also unnecessary Installation of a tolerance compensation layer, whereby there are less to be overcome layers for heat transfer and a much better heat can be achieved. Safety optimization: Compared to conventional cell mantles, which have a wall thickness of less than 1 mm, the heat sink according to the invention with its cylindrical receptacles offers a considerably higher resistance to deformation when force is applied from the outside, eg in the event of a crash. This can greatly reduce the risk of short circuits and cell explosion.
  • Modular design The ability to arbitrary long changes of the heat sink and changes in the number of its recordings different requirements can be met with a uniform modular design principle.
  • the cooling body is penetrated by Kuhlstoffkanalen, which are particularly preferably parallel to and between the cylindrical receptacles. As a result, a uniform and effective cooling of the battery cells can be achieved.
  • a particularly compact construction results when the cylindrical receptacles are arranged in mutually half-offset rows.
  • a further preferred embodiment of the invention is characterized in that the heat sink is an extrusion press. profile is, in which the cylindrical receptacles and optional Kuhlstoffkanale are formed by extrusion.
  • the battery unit m any length and thus nominal power can be made simply by Ab Siemens an extruded.
  • the heat sink ausmundenden cylindrical receptacles are covered by a common, attached to the heat sink lid, whereby a mechanically stable and tightly sealed, easy to manufacture arrangement is achieved.
  • the lid can have openings for the passage of electrical connections of the rolled-up layer structures, which facilitates the electrical contacting and interconnection of the battery cells.
  • cover connects the coolant channels which emanate on one side of the heat sink with one another and / or with cover medium outside coolant connections.
  • the extruded profile is provided on its two end faces, each with a lid, whereby the Stirnmundungen the Kuhlstoffkanale of the extruded profile connected on each side according to, for. summarized and / or diverted.
  • the cylindrical receptacles are provided with an electrically insulating coating, which is preferably applied in a plastic spine method.
  • an electrically insulating coating which is preferably applied in a plastic spine method.
  • the invention provides in a second aspect, a battery pack that is composed of a plurality of battery units of the type here made before ⁇ which have each deckeiau- , mixed minerale Kuhlstoffan somebody of the type mentioned, wherein the Kuhlstoffan gleiche of the battery units are connected via a preferably pluggable manifold system with one another.
  • the rated power of the battery pack can thus be modularly designed by arbitrary grouping and interconnecting of Düngsgebounden battery units are adapted to different requirements.
  • FIG. 1 shows the layer structure of a battery cell before rolling m a partial perspective view.
  • FIG. 2 shows the layer structure of FIG. 1 in the rolled-up state
  • FIG. 3 shows the heat sink of a battery unit according to the invention in perspective view
  • FIG. 4 shows the two covers of a battery unit m according to the invention in perspective view
  • FIG. 5 shows a battery unit according to the invention in perspective view
  • FIG. 6 shows a battery pack assembled from a plurality of battery units according to the invention m in perspective view.
  • Fig. 1 shows an exemplary layer structure 1 of conventional type for an electrochemical battery cell, e.g. a lithium-ion cell, of individual flexible layers 2 with interposed terminal lugs 3 for electrical contacting.
  • an electrochemical battery cell e.g. a lithium-ion cell
  • a coiled layer structure 4 with terminal lugs 3 emerging at the end is obtained, as shown in FIG.
  • the layer structure 4 has only low mechanical stability because the layers th 2 are flexible and the layer structure 4 "naked", that is, apart from a allfalligen electrical isolation m the form of a thin outer plastic coating no mecha nically ⁇ bearing cells sheath, such as a metal or plastic stoffhulse is provided.
  • the rolled-up layer structure 4 is inserted into cylindrical receptacles 5 of a heat sink 6 made of thermally conductive material, preferably metal, see Fig. 3.
  • the receptacles 5 can be drilled in the heat sink 6.
  • the heat sink 6 is a Extruded profile and the receptacles 5 are formed by tubular profile seals 7 of the extruded profile 6.
  • the receptacles 5 are preferably arranged in mutually half-staggered rows ( "dense packing").
  • the cylindrical housings 5 may additionally be provided on the inside with an electrically insulating coating to building the layer on ⁇ to isolate 4 from a metallic heat sink 6.
  • the coating is preferably applied in a plastic vortex sintering process, in which plastic granules are introduced into the individual receptacles 5 and melted by heating and allowing the heat sink 6 to rotate on the inside of the receptacles 5.
  • each Kuhlstoffkanale 8 for a coolant, eg Kuhlmannmaschine or air, provided.
  • the Kuhlstoffkanale 8 can also be drilled in any way m the heat sink 6; preferably they pass pa ⁇ Rallel to and between the cylindrical receptacles 5.
  • the Kuhlstoffkanale 8 are formed during manufacture of the heat sink 5 as an extruded through the spaces between the tube section sections 7.
  • the Kuhlstoffkanale 8 may be separated by webs 9 between the tube profile sections 7 from each other, for example, to form juxtaposed return and return ducts. In "tightest packing" of Rohrprofllabitese 8, the webs 9 can also be omitted.
  • the mouths of the receptacles 5 are covered or closed at both ends of the heat sink 6, each with a cover 10, 11. If the receptacles 5 and Kuhlstoffkanale 8 are formed by blind holes in the heat sink 6, the rear lid 11 deleted.
  • the front cover 10 is provided with openings 12 for the passage of the terminal lugs 3 and electrical connections formed therefrom.
  • One or both covers 10, 11 are provided on their inner sides with Kuhlstoffubertritten 13 for mutual connection of the Kuhlstoffkanale 8 and / or connection thereof with deckelau- dated massen Kuhlstoffan gleichen 14, 15.
  • the coolant sub-steps 13 can be formed, for example, by gaps between ring stubs 16, which extend from the openings 12 and can be placed sealingly on the pipe profile sections 8 of the heat sink 6. By webs 17 between the annular nozzle 16, any interconnection of Kuhlmit- telkanäle 8 and deflection of the coolant flowing therein can be achieved.
  • the coolant port 14 is the supply and the coolant port 15 is the discharge for coolant.
  • the coolant ports 14, 15 may also be located on different sides of the heat sink 6 and / or more than two coolant ports may be provided.
  • FIG. 5 shows a battery unit 18 assembled from twelve rolled-up layer structures 4, a heat sink 6 and two covers 10, 11.
  • the coolant connections 14, 15 of a plurality of battery units 18 can be connected to a battery pack via a preferably pluggable manifold system 19. 20 are interconnected with a common coolant circuit.
  • the size and number of receptacles 5 with the layer structures 4 and the number of battery units 18 in a battery pack 20 a wide range of power requirements are modularly covered.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Battery Mounting, Suspending (AREA)
  • Secondary Cells (AREA)

Abstract

L'invention concerne une batterie électrique (18) composée d'éléments consistant chacune en une structure (4) cylindrique formée de couches enroulées les unes sur les autre, d'un dissipateur thermique (6) en matériau conducteur de chaleur et présentant des logements cylindriques (5), une structure (4) formée de couches enroulées les unes sur les autres et dépourvue de gaine de support étant introduite dans chacun desdits logements cylindriques (5).
PCT/EP2010/053971 2009-03-27 2010-03-26 Batterie électrique WO2010109001A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102009015332.2 2009-03-27
DE102009015332 2009-03-27

Publications (1)

Publication Number Publication Date
WO2010109001A1 true WO2010109001A1 (fr) 2010-09-30

Family

ID=42119017

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2010/053971 WO2010109001A1 (fr) 2009-03-27 2010-03-26 Batterie électrique

Country Status (1)

Country Link
WO (1) WO2010109001A1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011012631A1 (de) * 2011-02-15 2012-08-16 Sew-Eurodrive Gmbh & Co. Kg Anordnung mit einem Gehäuse
EP2557609A1 (fr) * 2011-08-08 2013-02-13 Samsung SDI Co., Ltd. Batterie rechargeable et son procédé de fabrication
CN111684620A (zh) * 2018-11-29 2020-09-18 株式会社Lg化学 包括电池模块的电池组
EP3764454A4 (fr) * 2018-09-18 2021-06-02 Lg Chem, Ltd. Module de batterie
GB2577258B (en) * 2018-09-18 2022-09-21 Mclaren Automotive Ltd Battery cell tray

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4346151A (en) * 1980-12-29 1982-08-24 The Gates Rubber Company Multicell sealed rechargeable battery
WO1999036972A1 (fr) * 1998-01-19 1999-07-22 Johnson Controls Technology Company Boitier de pile pour piles a couche metallique mince
DE10064648A1 (de) * 1999-12-28 2001-07-19 Honda Motor Co Ltd Aufladeelementvorrichtung
DE10238235A1 (de) * 2002-08-21 2004-03-04 Daimlerchrysler Ag Elektrochemischer Energiespeicher mit Wärmeaustauscherstruktur und mehreren elektrochemischen Speicherzellen
EP1835251A1 (fr) * 2006-02-22 2007-09-19 Behr GmbH & Co. KG Dispositif destiné au refroidissement d'éléments électriques
EP1906126A2 (fr) * 2006-09-25 2008-04-02 Behr GmbH & Co. KG Dispositif destiné au refroidissement d'éléments électriques
DE102007010744A1 (de) * 2007-02-27 2008-08-28 Daimler Ag Batteriezelle und Zellverbund einer Batterie
EP1990860A1 (fr) * 2007-05-07 2008-11-12 Valeo Klimasysteme GmbH Bloc de batterie d'entraînement d'un véhicule électrique, à cellules combustibles ou hybride

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4346151A (en) * 1980-12-29 1982-08-24 The Gates Rubber Company Multicell sealed rechargeable battery
WO1999036972A1 (fr) * 1998-01-19 1999-07-22 Johnson Controls Technology Company Boitier de pile pour piles a couche metallique mince
DE10064648A1 (de) * 1999-12-28 2001-07-19 Honda Motor Co Ltd Aufladeelementvorrichtung
DE10238235A1 (de) * 2002-08-21 2004-03-04 Daimlerchrysler Ag Elektrochemischer Energiespeicher mit Wärmeaustauscherstruktur und mehreren elektrochemischen Speicherzellen
EP1835251A1 (fr) * 2006-02-22 2007-09-19 Behr GmbH & Co. KG Dispositif destiné au refroidissement d'éléments électriques
EP1906126A2 (fr) * 2006-09-25 2008-04-02 Behr GmbH & Co. KG Dispositif destiné au refroidissement d'éléments électriques
DE102007010744A1 (de) * 2007-02-27 2008-08-28 Daimler Ag Batteriezelle und Zellverbund einer Batterie
EP1990860A1 (fr) * 2007-05-07 2008-11-12 Valeo Klimasysteme GmbH Bloc de batterie d'entraînement d'un véhicule électrique, à cellules combustibles ou hybride

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011012631A1 (de) * 2011-02-15 2012-08-16 Sew-Eurodrive Gmbh & Co. Kg Anordnung mit einem Gehäuse
DE102011012631B4 (de) * 2011-02-15 2020-11-12 Sew-Eurodrive Gmbh & Co Kg Energiespeicher
EP2557609A1 (fr) * 2011-08-08 2013-02-13 Samsung SDI Co., Ltd. Batterie rechargeable et son procédé de fabrication
CN102931374A (zh) * 2011-08-08 2013-02-13 三星Sdi株式会社 可充电电池及其制造方法
US9178188B2 (en) 2011-08-08 2015-11-03 Samsung Sdi Co., Ltd. Rechargeable battery with collector plates having insulators and conductors
EP3764454A4 (fr) * 2018-09-18 2021-06-02 Lg Chem, Ltd. Module de batterie
GB2577258B (en) * 2018-09-18 2022-09-21 Mclaren Automotive Ltd Battery cell tray
CN111684620A (zh) * 2018-11-29 2020-09-18 株式会社Lg化学 包括电池模块的电池组
EP3754745A4 (fr) * 2018-11-29 2021-06-09 Lg Chem, Ltd. Bloc-batterie comprenant un module de batterie
CN111684620B (zh) * 2018-11-29 2022-12-06 株式会社Lg新能源 包括电池模块的电池组及包括其的电子装置及车辆
US11621452B2 (en) 2018-11-29 2023-04-04 Lg Energy Solution, Ltd. Battery pack including battery module

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