WO2009080175A1 - Système d'accumulation d'énergie - Google Patents

Système d'accumulation d'énergie Download PDF

Info

Publication number
WO2009080175A1
WO2009080175A1 PCT/EP2008/010064 EP2008010064W WO2009080175A1 WO 2009080175 A1 WO2009080175 A1 WO 2009080175A1 EP 2008010064 W EP2008010064 W EP 2008010064W WO 2009080175 A1 WO2009080175 A1 WO 2009080175A1
Authority
WO
WIPO (PCT)
Prior art keywords
housing
cell holder
energy storage
storage device
memory cells
Prior art date
Application number
PCT/EP2008/010064
Other languages
German (de)
English (en)
Inventor
Jens Meintschel
Dirk Schröter
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 WO2009080175A1 publication Critical patent/WO2009080175A1/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
    • H01M10/64—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
    • H01M50/209—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
    • 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
    • H01M10/61—Types of temperature control
    • H01M10/617—Types of temperature control for achieving uniformity or desired distribution of temperature
    • 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
    • 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
    • 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
    • H01M50/233—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions
    • H01M50/24—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions adapted for protecting batteries from their environment, e.g. from corrosion
    • 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
    • H01M50/271—Lids or covers for the racks or secondary casings
    • 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 a
  • Energy storage device in particular a battery of a motor vehicle, according to the preamble of claim 1.
  • the invention also relates to a motor vehicle equipped with such energy storage device.
  • a generic energy storage device in which a plurality of interconnected memory cells are fixed via a common cell holder in a housing of the energy storage device.
  • the cell holder For holding all storage cells to be accommodated in the housing, the cell holder has a plurality of foot and head parts, and is therefore designed in several parts.
  • this multi-part design makes it difficult to install the memory cells in the housing.
  • the present invention is concerned with the problem of providing for a generic energy storage device, an improved or at least another embodiment, in which the assembly significantly easier.
  • the invention is based on the general idea, in an energy storage device with more than one Cell holder interconnected and interconnected memory cells which are to be accommodated in a housing of the energy storage device to provide at least one housing-side guide means which cooperates with a formed on the cell holder guide means such that the cell holder together with the held by this memory cells in the housing-side guide means led and over this in the housing of the
  • the Energy storage device is fixed.
  • the memory cells are thus fixed in advance in the cell holder, resulting in a defined via the cell mount cell assembly, which can then be introduced in one piece in the housing of the energy storage device.
  • the housing-side or cell holder side guide devices facilitate insertion, for example, the insertion of the cell assembly in the housing of the energy storage device and at the same time ensure its fixation in the housing, without the need for additional components or tolerance compensation elements would be required.
  • the housing-side guide device is preferably connected to the cell-holder-side guide device in a non-positive and / or positive connection, which ensures the fixation of the cell assembly in the housing.
  • the at least one housing-side or cell holder side guide means has the further great advantage that the assembly process is precisely defined by inserting the cell assembly on the two in operative connection with each other guide means in the housing, causing errors in the Assembly, for example, by an inaccurate positioning of the cell assembly within the housing preferably can be completely excluded.
  • the housing is designed as an extruded profile or as a cast part.
  • the housing-side guide device which may be formed, for example, as a guide rail or as a guide, directly in the extrusion process with, so that the housing-side guide means in one step together with the Housing is produced and does not have to be retrofitted in this.
  • the extrusion die For the formation of the housing-side guide means only the extrusion die must have corresponding masks, so that the manufacture of the housing-side guide means is structurally extremely easy to accomplish.
  • two opposing guide grooves are provided in the housing, in which the cell holder is guided and fixed with two opposite longitudinal sides.
  • the two sides of the housing are the two sides of the housing
  • Guide devices are therefore designed as guide grooves, while the cell holder is formed, for example, as a holding plate and with their parallel longitudinal sides arranged in the housing-side guide grooves can be inserted.
  • both the housing-side guide and the cell holder can be structurally very simple and thus inexpensive to produce.
  • the two opposite housing-side guide grooves, that the cell holder and via these and the memory cells are tilt-proof and particularly true to position in the housing fixed.
  • an insulation in particular an insulating sheet with a U-shaped cross section, is arranged between the cell holder side and the housing side guide means.
  • Such insulation reduces at least one heat conduction between the housing and the cell holder, and at the same time serve as a tolerance compensation, in order to compensate, for example, component-related tolerances easier.
  • the energy storage device should not exceed temperatures of preferably 50 ° in operation, the cell holder is used according to a further preferred embodiment simultaneously as a cooling device to cool the front side arranged in the cell holder memory cells and thereby always be able to keep ready.
  • the cell holder as a cooling device, it is all the more to prevent heat transfer between the cell holder and the housing, through which, for example, the cooling effect to be transferred to the memory cells would be significantly deteriorated.
  • the insulation which may be formed for example of an elastic material, can also form an electrical or a vibration isolator, so that a transmission of electrical energy from the memory cells via the cell mount on the housing as well as vibration transmissions, which can have a negative effect on long-term operation, can be reliably avoided.
  • the memory cells are held at their end remote from the cell holder in a support frame and supported on this support frame relative to the housing.
  • the support frame prevents tilting of the cell composite, if this, not as in the previous paragraph mentioned safely over two opposing laterally arranged guide devices can be fixed.
  • the support frame forms a second Abstütz Anlagenkeit for the memory cells of the energy storage device, so that their integrated into the cell holder frontal end is significantly less burden.
  • FIG. 1 shows an energy storage device according to the invention with the housing cover removed
  • Fig. 4 is a sectional view through the
  • Fig. 6a, b housing cover and housing of the energy storage device.
  • an energy storage device 1 has a housing 2 and a cell assembly arranged therein made up of a plurality of memory cells 3 connected to one another.
  • the memory cells 3 are responsible for the actual storage of electrical energy and formed, for example, in the manner of lithium-ion batteries.
  • the memory cells 3 have a hexagonal cross-section and are fixedly arranged with a longitudinal end 4 in a cell holder 5.
  • the individual memory cells 3 are electrically connected together so that they can be connected via a common electrical connection 6 to an electrical network, such as a vehicle electrical system of a motor vehicle.
  • the joint arrangement of the individual memory cells 3 on the cell holder 5, a cell composite is created, which is mounted in advance and can be introduced as a block in the housing 2 of the energy storage device 1.
  • At least one housing-side guide device 7 is provided which with a complementarily formed cell holder side guide means 8 cooperates, whereby the cell holder 5 is guided together with the memory cells 3 held in the housing 2 and fixable in this.
  • the housing-side guide device 7 is formed as a guide groove, while the complementarily formed cell holder side guide device 8 is formed as engaging in the guide groove 7 guide rail.
  • the cell holder-side guide means 8 is formed as a guide groove, while the complementary thereto formed housing-side guide groove 7 is formed as a guide rail.
  • Guide device 7 in one step together with the housing 2 and thus inexpensive to produce. This applies in particular to the case in which the housing 2 is formed as an extruded profile or as a cast part, as shown for example in accordance with FIG. 6a. In this case, for the production of the housing-side guide device 7, only a corresponding mask during extrusion or a corresponding mold during casting of the housing 2 must be used in order to produce the guide means 7 contours accurate, simple and inexpensive.
  • the housing 2 according to the invention of the energy storage device 1 at least one housing-side guide means 7, wherein according to the embodiments shown in FIGS. 1 to 6, the housing has two opposite and formed as a guide grooves guide means 7, in which the cell holder 5 is guided and fixed with two opposite longitudinal sides.
  • the memory cells 4 are held at their respective cell holder 5 facing away from the end 4 'in a support frame 10 and supported on this relative to the housing 2 (see Figures 1 to 3).
  • the support frame 10 has a number of honeycomb-shaped openings 11 corresponding to the number of the memory cells 3, which have an inner cross-section complementary to the outer cross-section of the memory cells 3.
  • the support frame 10 can be pushed in a simple manner to the respective longitudinal ends 4 'of the memory cells 3 and introduced into the housing 2 together with the cell assembly.
  • the memory cells 3 are arranged substantially orthogonal as a cooling plate cell holder 5.
  • an insulation 12 in particular an insulating sheet with a U-shaped cross-section, is arranged (see Fig .. 2).
  • Such insulation 12 may be formed for example of an electrically and / or heat-insulating material, so for example plastic.
  • the cell holder 5 engages with their opposite longitudinal sides in the respective housing side and formed as a guide grooves guide means 7, wherein between the housing-side guide means 7 and the cell holder 5, the addressed insulation is arranged.
  • the support frame 10 formed of insulating material or has at least one insulating layer arranged on the edge, and is thus also isolated from the housing 2 of the energy storage device 1.
  • Such elastic insulation 12 also offers the advantage of at least reducing, if not excluding, vibration transmission between the housing 2 and the cell holder 5 or vice versa.
  • the individual storage cells 3 of the energy storage device 1 are held or screwed in place in the cell holder 5 by two screws 13, wherein the cell holder 5 has openings into which a head region of the respective storage cell 3 reduced relative to its radius can be inserted is.
  • the transverse direction 14 of the energy storage device 1 thus cause the guide means 7 and 8 fixing the cell assembly within the housing 3, while in the axial direction 16 of the cell assembly on at least one housing cover 15 of the housing 2, as shown for example in Fig. 4, fixed.
  • a housing cover 15 and housing cover 15 ' are respectively arranged along the longitudinal end side in the axial direction of the cell holder 5. These are connected by screws 13 ', as shown for example in Fig. 5, with the actual housing 2, in particular screwed.
  • the axial fixation of the cell assembly in the housing 2 can be done on the one hand by a, as shown in Fig. 4, flat housing cover 15 'or a cup-shaped housing cover 15, wherein at a cup-shaped housing cover 15 at least one stop 17 is provided, which in the region of at least one Guide means 7, 8 in the axial direction 16 presses on the arranged between the cell holder 5 and the housing cover 15 insulation 12 and thereby fixes the cell holder 5 together with the held by this memory cells 3 in the axial direction 16 in the housing 2.
  • a stop 17 is shown for example in Figs. 4 and 6b.
  • the cell holder 5 which is produced for example by a stamping or a milling process, represents the only geometrically exact part of the cell composite, whereas the previously used housing 2 has a high tolerance, in particular in a horizontal installation of the memory cells 3, as in 2 and 3, said support frame 10 is provided, which prevents tilting of the cell assembly about the axis 9.
  • the support frame 10 is guided in a guide device formed on the housing 2.

Landscapes

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

Abstract

La présente invention concerne un système d'accumulation d'énergie (1), en particulier une batterie d'un véhicule automobile. Selon l'invention, au moins un dispositif de guidage (7) côté coffret est prévu, lequel dispositif coopère avec un dispositif de guidage complémentaire (8) formé côté support d'éléments, de sorte que le support d'éléments (5) est guidé conjointement avec les éléments d'accumulation (3), supportés par ce dernier, et peut ainsi être fixé dans le coffret (2).
PCT/EP2008/010064 2007-12-20 2008-11-27 Système d'accumulation d'énergie WO2009080175A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE200710063186 DE102007063186B4 (de) 2007-12-20 2007-12-20 Energiespeichereinrichtung und ihre Verwendung
DE102007063186.5 2007-12-20

Publications (1)

Publication Number Publication Date
WO2009080175A1 true WO2009080175A1 (fr) 2009-07-02

Family

ID=40427888

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2008/010064 WO2009080175A1 (fr) 2007-12-20 2008-11-27 Système d'accumulation d'énergie

Country Status (2)

Country Link
DE (1) DE102007063186B4 (fr)
WO (1) WO2009080175A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010012338A1 (fr) * 2008-07-26 2010-02-04 Daimler Ag Batterie, en particulier batterie de véhicule
DE102017114749A1 (de) 2017-04-03 2018-10-04 Hofer Mechatronik Gmbh Traktionsakkumulator, insbesondere länglicher Bauart mit benachbart angeordneten Lithium-Ionen-Sekundärzellen, und Verfahren zur Kontrolle des Wärmehaushalts
EP4113705A2 (fr) 2017-04-03 2023-01-04 hofer powertrain innovation GmbH Accumulateur de traction, en particulier pour un véhicule automobile, comportant des éléments secondaires lithium-ion et procédé de fabrication d'un accumulateur de traction évacuant la chaleur

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010013002A1 (de) * 2010-03-26 2011-09-29 Daimler Ag Batterie mit einem Zellenstapel
DE102010019374B4 (de) * 2010-05-05 2021-10-21 Volkswagen Ag Batteriezellengehäuse
DE102011011238A1 (de) * 2011-02-15 2012-08-16 Li-Tec Battery Gmbh Gehäuse zur Aufnahme einer flachen elektrochemischen Zelle
FR2990062B1 (fr) 2012-04-30 2016-12-09 Batscap Sa Module de stockage d'energie comprenant des moyens de calage deplacables d'une pluralite d'elements de stockage d'energie
DE102016206848A1 (de) * 2016-04-22 2017-10-26 Audi Ag Montagevorrichtung zum Anordnen eines Batteriezellmoduls, Montageanordnung sowie Verfahren zur Montage eines Batteriezellmoduls
DE102017202354A1 (de) 2017-02-14 2018-08-16 Volkswagen Aktiengesellschaft Batteriebaugruppe und Verfahren zur Herstellung derselben sowie Fahrzeug mit einer derartigen Batteriebaugruppe
DE102018216290A1 (de) * 2018-09-25 2020-03-26 Bayerische Motoren Werke Aktiengesellschaft Hochvoltbatterie für ein Kraftfahrzeug sowie Kraftfahrzeug

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE6945656U (de) * 1969-11-18 1970-03-19 Loewe Opta Gmbh Gehaeuse fuer elektrische geraete mit batteriebetrieb
DE19849491C1 (de) * 1998-10-27 2000-01-05 Daimler Chrysler Ag Elektrochemischer Energiespeicher
DE19930399A1 (de) * 1999-07-01 2001-01-11 Daimler Chrysler Ag Batteriekasten und Kraftfahrzeug
DE10056370A1 (de) * 1999-11-15 2001-07-26 Makita Corp Batteriepaket und ein elektrisches Werkzeug zur Verwendung mit dem Batteriepaket
DE19848646B4 (de) * 1998-10-22 2004-02-12 Daimlerchrysler Ag Elektrochemischer Energiespeicher und damit ausgerüstete Fahrzeugbatterie
DE102006018009A1 (de) * 2006-04-07 2007-10-11 Robert Bosch Gmbh Akkupack

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE6945656U (de) * 1969-11-18 1970-03-19 Loewe Opta Gmbh Gehaeuse fuer elektrische geraete mit batteriebetrieb
DE19848646B4 (de) * 1998-10-22 2004-02-12 Daimlerchrysler Ag Elektrochemischer Energiespeicher und damit ausgerüstete Fahrzeugbatterie
DE19849491C1 (de) * 1998-10-27 2000-01-05 Daimler Chrysler Ag Elektrochemischer Energiespeicher
DE19930399A1 (de) * 1999-07-01 2001-01-11 Daimler Chrysler Ag Batteriekasten und Kraftfahrzeug
DE10056370A1 (de) * 1999-11-15 2001-07-26 Makita Corp Batteriepaket und ein elektrisches Werkzeug zur Verwendung mit dem Batteriepaket
DE102006018009A1 (de) * 2006-04-07 2007-10-11 Robert Bosch Gmbh Akkupack

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010012338A1 (fr) * 2008-07-26 2010-02-04 Daimler Ag Batterie, en particulier batterie de véhicule
DE102017114749A1 (de) 2017-04-03 2018-10-04 Hofer Mechatronik Gmbh Traktionsakkumulator, insbesondere länglicher Bauart mit benachbart angeordneten Lithium-Ionen-Sekundärzellen, und Verfahren zur Kontrolle des Wärmehaushalts
EP4113705A2 (fr) 2017-04-03 2023-01-04 hofer powertrain innovation GmbH Accumulateur de traction, en particulier pour un véhicule automobile, comportant des éléments secondaires lithium-ion et procédé de fabrication d'un accumulateur de traction évacuant la chaleur

Also Published As

Publication number Publication date
DE102007063186A1 (de) 2009-06-25
DE102007063186B4 (de) 2013-04-18

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