WO2019007735A1 - Batterie pour un entraînement électrique d'un véhicule à moteur - Google Patents

Batterie pour un entraînement électrique d'un véhicule à moteur Download PDF

Info

Publication number
WO2019007735A1
WO2019007735A1 PCT/EP2018/066921 EP2018066921W WO2019007735A1 WO 2019007735 A1 WO2019007735 A1 WO 2019007735A1 EP 2018066921 W EP2018066921 W EP 2018066921W WO 2019007735 A1 WO2019007735 A1 WO 2019007735A1
Authority
WO
WIPO (PCT)
Prior art keywords
battery
cooling
housing
case
stack
Prior art date
Application number
PCT/EP2018/066921
Other languages
German (de)
English (en)
Inventor
Markus Thurmeier
Original Assignee
Audi 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 Audi Ag filed Critical Audi Ag
Publication of WO2019007735A1 publication Critical patent/WO2019007735A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K1/00—Arrangement or mounting of electrical propulsion units
    • B60K1/04—Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion
    • 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
    • H01M10/62—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
    • H01M10/655—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
    • H01M50/233—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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K11/00—Arrangement in connection with cooling of propulsion units
    • B60K11/02—Arrangement in connection with cooling of propulsion units with liquid cooling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K1/00—Arrangement or mounting of electrical propulsion units
    • B60K2001/003—Arrangement or mounting of electrical propulsion units with means for cooling the electrical propulsion units
    • B60K2001/005—Arrangement or mounting of electrical propulsion units with means for cooling the electrical propulsion units the electric storage means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K1/00—Arrangement or mounting of electrical propulsion units
    • B60K1/04—Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion
    • B60K2001/0405—Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion characterised by their position
    • B60K2001/0411—Arrangement in the front part of the vehicle
    • 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
    • H01M10/653—Means for temperature control structurally associated with the cells characterised by electrically insulating or thermally conductive materials
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2220/00—Batteries for particular applications
    • H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
    • 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
    • H01M50/218—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
    • H01M50/227—Organic material
    • 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 invention relates to a battery for an electric drive of a motor vehicle according to the preamble of patent claim 1. Furthermore, the invention relates to a battery case for such a battery and a motor vehicle with such a battery.
  • the vast majority of batteries for electric drives of motor vehicles are now installed in the underfloor area of the passenger compartment. Examples of such installation methods can be found in DE 10 2012 015 919 A1 and DE 10 2015 014 033 A1, in which respective battery modules, which each themselves comprise a plurality of battery cells connected to one another, are arranged in one layer or plane and in one Battery housing are included.
  • These known constructions are extremely expensive not least because of the required active cooling with a refrigerant.
  • the significant dimensions of the battery require restrictions in terms of construction and manufacturing technology, since the battery housing are usually relatively difficult to seal.
  • the individual cooling element can be arranged only with complex connection technology within the battery case.
  • a battery is furthermore known to be known, in which two battery modules, in which in each case a plurality of battery cells connected to one another are usually combined, are arranged one above the other in different positions in the vehicle vertical direction.
  • the two battery modules are accommodated in a common battery housing, which extends over the height of both layers of battery modules.
  • a stiffening element for example in the form of a horizontal intermediate plate or intermediate plane, which connects the respective, mutually opposite housing parts together and thereby in the event of an impact in the front of the car blockage of the Battery housing should favor.
  • usually existing cooling elements are to be arranged only with complex connection technology within the battery case.
  • Object of the present invention is therefore to provide a battery or a battery case for and a motor vehicle with such a battery, which allow a particularly simple, reliable and cost-effective integration of respective cooling elements of the cooling device in the associated battery housing.
  • the battery housing is made of a plastic and has at least one receiving opening, within which a cooling element of the cooling device is attached.
  • the inventive design of the respective battery housing made of plastic not only allows a cost-effective and simple production, but also beyond the battery housing in a simple manner corresponding functional elements for stiffening, for bonding with other components, for attachment of other parts of the cooling device or the like be formed. If a plurality of battery housings are arranged one above the other in a stack, then at least part of the battery housings or their individual parts can-at least essentially-be of identical shape.
  • the term "identical in shape" is understood in particular to mean that the battery housings or their respective components can be produced in the same shape, for example injection mold. As a result, the cost of the battery can be significantly reduced due to the common parts.
  • the receiving opening is provided in the battery housing or the corresponding component (in particular its bottom element).
  • this enables particularly easy integration of the cooling element into the battery housing and, on the other hand, particularly effective cooling of the respective battery modules.
  • the provision of receiving openings, in which after the preparation of the battery case or the corresponding part thereof, the cooling element is used, has the great advantage that occurring during cooling of the battery case delay or shrinkage does not transfer to the respective cooling element and thus remain permanently in the component. Rather, this is avoided by the subsequent insertion of the cooling element.
  • the battery can be used both in a purely electrically powered motor vehicle and in a hybrid vehicle. It may optionally be installed to drive within the motor vehicle and several batteries.
  • a battery is particularly advantageous, the battery modules, each comprising a plurality of interconnected battery cells are arranged in at least two or more layers in the vehicle vertical direction one above the other.
  • This arrangement initially allows a space-saving design of the battery, so that this particular, but not exclusively, can be installed in the front of the vehicle or in the area of the front end structure / crumple zone of the motor vehicle. It is provided that each of the superimposed layers of the battery modules is accommodated in a respective associated, separate battery housing, which are arranged one above the other in a stack and connected to each other or to each other. Thus, each layer of the battery modules is housed in a separately producible battery housing is.
  • At least a number of these battery cases can preferably be formed at least substantially as a common part, which significantly simplifies the production.
  • the respectively used number of battery cases, which corresponds to the number of layers of the battery modules, can then be arranged one above the other in a stack, wherein, for example, the respectively adjacent battery housing are connected to one another via corresponding connecting elements.
  • Each of the battery cases then has at least one or more receiving openings, in which the respective cooling elements are used.
  • the at least one battery housing or the stack of battery housings is surrounded by a protective housing of the battery.
  • a functional separation between the battery housing and the protective housing is provided, wherein the battery case or a stack of battery housings primarily for preferably dense receiving the battery modules is formed and the protective housing for Umhausen the at least one battery case to this particular in an accidental application of force Battery to protect against excessive damage.
  • This protective housing must - as it preferably has no sealing function - not be designed to be closed accordingly, but may also be partially open. Since such a sealing function is preferably not required, the protective housing can be designed correspondingly simple and can be optimized, in particular with regard to the stability and rigidity of the battery, in particular with regard to its accident behavior. For this purpose, the protective housing may be at least partially formed by corresponding side walls or similar elements which have a corresponding absorption capacity for accident energy. In an alternative embodiment, however, it would theoretically also be conceivable to make such a protective housing dense.
  • a respective receiving opening in the battery housing is provided per battery module.
  • This respective receiving opening is preferably designed as a passage opening in order to allow a particularly effective conductive heat transfer.
  • a particularly simple installation of the respective cooling element on the battery housing results in a further embodiment of the invention, when the respective cooling element is inserted by means of a mechanical connection, in particular a latching connection, into the receiving opening of the respective battery housing.
  • a mechanical connection in particular a latching connection
  • a further advantageous embodiment of the invention provides that the respective cooling element is arranged on the respective battery housing via an adhesive bond.
  • the adhesive bond is provided in an advantageous embodiment in addition to the mechanical connection, for example, to seal the battery housing in this area. This could be used instead of an adhesive and another sealant. In principle, it would be conceivable to use the cooling element only via the adhesive bond in the associated receiving opening.
  • FIG. 1 is a perspective exploded view of the essential components of the battery according to the invention according to an advantageous embodiment
  • Fig. 2 is a schematic and fragmentary sectional view of the built-in front of a motor vehicle battery according to an advantageous embodiment
  • Fig. 3 is a perspective view of a bottom member and a lid member of the battery case of the battery according to the invention
  • Fig. 4 respective perspective views of the battery according to an advantageous embodiment, in which a plurality of battery cases, in each of which a plurality of battery modules are accommodated, in a stack arranged one above the other and connected to each other,
  • Fig. 5 is a sectional view through the stack of superimposed battery housing of the battery according to an advantageous embodiment
  • Fig. 6 is a fragmentary and enlarged, schematic
  • each of the components comprises respective plug connection elements, via which the adjacent battery housing relative to each other positionable and mutually supportable in the thrust direction,
  • FIG. 7 is a fragmentary and enlarged sectional view of respective, adjacent battery housing in the region of a connecting element, by means of which on the one hand a battery module within the associated battery housing can be fixed and on the other hand, the battery housing is arranged with the underlying, adjacent battery housing connectable
  • Fig. 8 is a perspective view of a Base plate of a protective housing of the stack of battery housings, in the corner region of which respective tie rods are provided for holding the stack of the battery housing or of the protective housing,
  • FIG. 9 is a perspective view and a sectional view of the protective housing, within which the stack of battery housings is received, a perspective view through the stack of battery housings according to FIG. 4, wherein between a respective cover element and an adjacent bottom element of respective battery housing, a layer of cooling elements of the cooling device is arranged, which are integrated into respective receiving openings in the bottom plate of the bottom element and on which a respective battery module is arranged with its underside, an enlarged perspective view and an enlarged sectional view of a respective cover element and an adjacent bottom element of respective battery housing with the associated receiving opening in the bottom plate of the bottom element integrated cooling element of the cooling device, on which a respective battery module rests with its underside, respective schematic Sectional views of possible connections, via which the cooling element of the cooling device is inserted into the associated receiving opening, respective schematic Sch nittansichten possible connections, via which in addition to the cooling element of the cooling device and a corresponding supply line is inserted into the associated receiving opening.
  • the described components of the embodiments each represent individual features of the invention, which are to be considered independently of one another, which also develop the invention independently of each other and thus also individually or in a different combination than the one shown as part of the invention. Furthermore, the described embodiments can also be supplemented by further features of the invention already described.
  • FIG. 1 shows in a perspective exploded view the essential components of a battery B which is additionally assembled on the right in a schematic perspective view.
  • the battery B initially comprises a plurality of battery modules 1, of which in the present case, for example, four each side by side in a horizontal plane or in the vehicle vertical direction at a common height in a corresponding position 2, 3, 4, 5 are arranged.
  • four battery modules 1 are arranged at the same height or within a corresponding position 2, 3, 4, 5, wherein the plurality of these layers 2, 3, 4, 5 are arranged one above the other in a manner described in more detail below.
  • Each battery module 1 is formed by a multiplicity of battery cells connected in parallel and / or in series with one another.
  • the output voltage of the respective battery module 1 is therefore correspondingly greater than the output voltage of the respective plurality of associated battery cells.
  • the output voltage of the entire battery B is therefore greater than that of the respective battery modules 1, which are connected in accordance with each other.
  • the battery B comprises a further described in more detail below cooling device 6, within which a coolant circulates.
  • the cooling device 6 comprises a plurality of flat cooling elements or cooling lines 7, of which four in each case run on a common plane or in a plane.
  • the cooling elements or cooling lines 7 run in each case in a manner described in more detail below, respectively, of the associated battery module 1 or, on the underside, of the respective layer 2, 3, 4, 5 of battery modules 1.
  • the respective layer 2, 3, 4, 5 of battery modules 1 is received within a respective associated battery case 8, as one of them in Fig. 3 in a respective perspective view of a bottom member 9 and a cover member 10 of the battery case 8 can be seen.
  • the bottom element 9 and the associated cover element 10 are thereby, after having been fitted with the respectively associated four battery modules 1 of the corresponding layer 2, 3, 4, 5 in the region of respective, mutually associated flanges 1 1, 12 mediating a not further recognizable seal locked.
  • the stack 13 of the battery housing 8 with the cooling device 6 is received in a protective housing 14, which is also shown in Fig. 1 also explosively.
  • This protective housing 14 initially comprises a bottom 15 and respective four side walls 16, which in the present case are each composed of two parts or layers 17 and 18. In the present case, these two parts, for example, a corrugated sheet 17 and an associated striking plate 18, so as to achieve a good energy-absorbing, multi-layered component.
  • the protective housing 14 comprises a cover 19, so that the stack of battery housings 8 in the present case is completely enclosed by the protective housing 14.
  • the protective housing 14 is here also referred to as crash armor and can be seen in Fig. 1 right again in assembled form in a corresponding perspective view.
  • FIG. 2 shows, in a schematic sectional view, a front vehicle 21 arranged in front of a passenger compartment 20 or a front structure / crumple zone of a passenger vehicle, in the region of which the battery B is arranged.
  • the battery B is at height above a front axle 20 of the motor vehicle in otherwise unspecified manner to corresponding components of the body or to subframe elements, which are attached to the body shell side, held. In this case, the battery B is integrated into the crash systems of the vehicle. From Fig. 2 it is particularly clear that the built-in front bumper 21 battery B can be installed by the very good location analogous to an internal combustion engine or an internationale of this.
  • the respective battery housing 8 or its individual parts, in the present case the bottom element 9 and the cover element 10, are formed from a plastic, in particular a fiber-reinforced plastic, and produced, for example, in an injection molding process.
  • plastic not only has the advantage of a simple and cost-effective production of form-identical battery housing 8, but it can also in a simple way functional element such as elements / ribs of a stiffening structure 23 and / or connector elements 24 ( Figure 6) Connection of the battery case 8 are provided with the adjacent battery case 8.
  • plastic is in a special way to integrate reinforcing elements such as inserts, screw sleeves or the like or even functional elements of the cooling device 6 in the respective battery case.
  • the stiffening structure 23 with the ribs is provided in particular for corresponding load cases in an accidental application of force.
  • the flanges 1 1, 12 of the bottom and the lid member 9, 10 are formed for example in standard geometry and connected to each other via screws.
  • corresponding compartments are divided by respective webs 25 within the bottom and cover elements 9, 10, within which the respective battery modules 1 are accommodated.
  • FIG. 4 shows, in two respective perspective views, the plurality of presently four battery housings 8, in each of which the plurality of battery modules 1 are accommodated and which are arranged one above the other and connected to the stack 13.
  • the partial integration of the cooling device 6 in the stack 13 of the battery case 8 can be seen.
  • the flat cooling pipes or cooling elements 7 are arranged on the underside of the respective battery housing 8 or between two battery housings 8, each one above the other.
  • the individual cooling elements 7 are connected via supply lines 26, which in the present case run, for example, in the corner region of the stack 13.
  • the designed as risers supply lines 26 have in the present case chokes.
  • the connections between the components of the cooling device 6 are optimized in terms of flow resistance.
  • the stack 13 of battery housings 8 On its rear side, the stack 13 of battery housings 8 has a continuous channel 27, which connects the interior of the respective battery housing 8 with each other. This is formed by a recognizable in Fig. 3, each shaped end wall 28 in the bottom and cover member 9, 10 of the respective battery case 8, wherein also in the respective bottom and cover member 9, 10, a passage opening 29 is formed, via which the channel 27th is formed.
  • a seal 31 hen provided.
  • This seal 31 may be formed, for example, by a screw-in or plug-in sleeve through the respective passage openings 29 or through a seal which is inserted between the battery cases 8. In any case, it should be achieved that the edge region 30 of the lead-through opening 29 of the one battery housing 8 is sealed with the seal 31 against the edge region 30 of the lead-through opening 29 of the adjacent battery housing 8.
  • a strip or rod-like conductor can run within the channel 27.
  • Unused lead-through openings 29, for example on the underside of the lowermost or upper side of the uppermost battery housing 8 of the stack 13, may have been closed by a plug, for example.
  • Fig. 6 shows in a fragmentary and enlarged, schematic sectional view of the bottom element 9 of the battery case 8, which rests with a bottom plate 32 on a cover plate 33 of the battery housing 8 arranged thereunder.
  • plug-in connection elements 34 which are indicated by way of example from the bottom plate 32, project downwards from one another, with further plug connection elements 34 projecting upward from the cover plate 33, such that the adjacent battery housings 8 are connected and positioned relative to one another.
  • the assembly of the stack 13 of the battery case 8 can be greatly facilitated.
  • the plug connection Mente 34 forces in particular shear forces are transmitted in an accidental application of force between the adjacent battery cases 8.
  • the plug connection elements 34 may be, for example, latches, blockers, domes, clips or the like.
  • the connecting element 35 in this case comprises a sleeve 36, which passes through the respective battery module 1 near its extending in the vertical direction of the battery B front side.
  • the sleeve 36 Within the sleeve 36 extends an unrecognizable screw, which is supported with a head on the upper side of the sleeve 36 on a plate 37 of the battery module 1, which is fixedly connected to the sleeve 36.
  • the sleeve 36 or the battery module 1 sits on a dome part 38, which is accommodated in the same shape in the plastic of the bottom plate 32 of the bottom element 9.
  • a screw 39 connects, which is firmly integrated in the plastic of the cover plate 33 of the cover member 10 or injected in the present case.
  • said screw sleeve 39 the screw element described above is screwed.
  • the battery module 1 is stretched down against the bottom element 9 and against the dome portion 38, which in turn is supported on the cover plate 33 of the lid member 10 of the underlying battery case 8.
  • the lid member 10 and the battery module 1 is centered and fixed by means of the dome member 38 relative to the cover plate 33 of the lid member 10 of the underlying battery case 8.
  • FIG. 8 shows a perspective view of the base plate or the bottom 15 of the protective housing 14, by means of which the stack 13 of battery housings 8 is housed.
  • respective tie rods 40 extending in the vehicle vertical direction are provided for holding the stack 13 of the battery housing 8 or the protective housing 14.
  • the tie rods 40 can also serve for installation or removal of the battery B by the upper side, for example, crane loops are screwed.
  • the battery B can be removed or installed including the protective housing 14 from the car.
  • respective screw sleeves 39 or threaded holes are integrated, which take over the function described above in connection with FIG. 7 for holding the base element 9 arranged above or the battery modules 1 accommodated by its battery housing 8.
  • the protective housing 14 within which the stack 13 of battery housings is accommodated.
  • the lid 19 of the protective housing 14. This is like the bottom 15 also formed for example of a metal material such as a metal sheet.
  • the side walls 16 and their respective components 17, 18 are in the present case made of sheets on aluminum or steel alloy base and connected, for example, mitred in the corners. In the corners can additionally strips or the like can be used as a load distributor.
  • the side walls 16 can be pre-attached to the stack 13 of the battery case 8 for pre-assembly, in particular unrecognizable fasteners, such as detent pins or the like, which are formed for example in the plastic, the respective battery case 8 or the like.
  • the side walls 14 and possibly also the cover 19 are first attached to the stack 13 and then connected to each other.
  • the components 15, 16 and 19 of the protective housing 14 are additionally braced together.
  • About the tie rods 40 also in the stack 13 stacked battery case 8 can be clamped together.
  • FIG. 10 shows a perspective sectional view through the stack 13 of battery housings 8, as shown in FIG. 4.
  • four battery housings 8 are arranged one above the other with respective bottom elements 9 and cover elements 10.
  • a plurality of cooling elements 41 of the cooling device 6 in the form of cooling plates 7, which are formed from a metal alloy, for example an aluminum alloy, can be arranged on the underside of each of the bottom elements 9 of the associated battery housing 8.
  • the corresponding cooling plate 41 is arranged on each side thereof, which ensures that excessive heating does not occur inside the battery.
  • FIG. 11 An enlarged perspective view and an enlarged sectional view according to FIG. 1 1 will now be explained below the specific embodiment of the respective bottom element 9 of the corresponding battery housing 8 in the region of the associated cooling plate 41.
  • the respective cooling plate 41 is provided between the corresponding webs 52 in the area of the bottom plate 32, so that the cooling plate 41 is located directly beneath the associated battery module 8, which accommodates within the webs 25 - men is.
  • conductive heat transfer between the cooling element or the cooling plate 41 and a respective bottom 42 FIG.
  • the cooling element or the cooling plate 41 is flush with the remaining plate areas of the bottom plate 32 in FIG a correspondingly large receiving opening 43 is inserted, which is recessed from the bottom plate 32.
  • Each of the receiving openings 43 is thus formed as a rectangular passage opening within the bottom plate 32 of the bottom element 9.
  • a possibly existing free space 44 - as shown 1 1 can be seen below - filled with a filler from a plastic foam material or the like. As a result, however, the conductive heat transfer between the cooling plate 41 and battery module 1 is only slightly affected.
  • each cooling plate 41 which - as can be seen from FIG. 1 - is designed to be at least substantially flat and rectangular and within which, for example, a cooling medium circulates. From this cooling line or this cooling element 7, the cooling required for cooling the battery module 1 then passes, for example, conductively to the associated cooling element or the associated cooling plate 41. This means that the respective cooling elements 7 are arranged in overlap below the respective associated cooling element or the respective associated cooling plate 41.
  • cooling element 7 described in each case in connection with FIG. 1 is integrated directly into the base plate 32.
  • a cooling device 7 which, for example, complies with its cooling function with corresponding Peltier elements or the like.
  • FIGS. 13 and 14 which show respective schematic sectional views of possible connections of the cooling plates 41 with the associated bottom plate 32 of the corresponding bottom element 9 of the respective battery housing 8, it can be seen that the respective cooling plate 41 may be inserted into the associated receiving opening 43 in different ways can.
  • FIGS. 13 and 14 which show respective schematic sectional views of possible connections of the cooling plates 41 with the associated bottom plate 32 of the corresponding bottom element 9 of the respective battery housing 8
  • the respective cooling plate 41 may be inserted into the associated receiving opening 43 in different ways can.
  • the respective cooling plate 41 should not be co-injected, pressed in or the like during the manufacturing process of the respective battery housing 8 or the bottom element 9, since otherwise corresponding voltages are produced during the cooling of the respective plastic part and the respective cooling plate 41 can, which can affect the respective battery case 8 extremely unfavorable. Rather, it is provided that the respective cooling plates 41 are inserted subsequently or after the cooling of the base element 9.
  • FIG. 14 shows analogous connections to FIG. 13, in which the respective cooling element 7 of the cooling device is fixed with the cooling plate 41.
  • a filler in the form of a plastic foam or the like can also be provided in all embodiments between the cooling plate 41 and the respective cooling element 7, via which a clearance 49 between the respective cooling line 7 and the cooling plate 41 is filled to thereby achieve at least substantially conductive heat transfer.
  • latching connections in combination with adhesive bonds are particularly favorable, since 41 particularly short installation times can be realized here at the onset of the respective cooling plate and since, moreover, a corresponding stability is established directly by the latching connections.
  • the cooling plates 41 which are subsequently fixed to the respective battery housing 8 or to its base element 9, bring about enormous advantages in the production, for example, in that a delay occurring during the cooling of the plastic does not lead to tensions between the battery case 8 and the respective cooling plate 41 leads.
  • the assembly of the respective cooling plates 41 in particular by latching connections is extremely simple and inexpensive.

Landscapes

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

Abstract

L'invention concerne une batterie (B) pour un entraînement électrique d'un véhicule à moteur. La batterie comprend une multitude de modules (1) de batterie, qui sont disposés dans une position (2, 3, 4, 5) associée et sont logés dans au moins un boîtier (8) de batterie associé, ainsi qu'un dispositif de refroidissement (6) servant à refroidir la batterie (B). L'invention vise à créer une batterie (B) du type mentionné en introduction, pour laquelle une intégration particulièrement aisée, fiable et avantageuse en termes de coûts des éléments de refroidissement (41) respectifs du dispositif de refroidissement (6) dans le boîtier (8) de batterie associé est de mise. Le boîtier (8) de batterie est à cet effet fabriqué à partir d'une matière plastique et comporte au moins une ouverture (43) de logement, à l'intérieur de laquelle l'élément de refroidissement (41) du dispositif de refroidissement (6) est inséré.
PCT/EP2018/066921 2017-07-04 2018-06-25 Batterie pour un entraînement électrique d'un véhicule à moteur WO2019007735A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102017211367.7 2017-07-04
DE102017211367.7A DE102017211367B4 (de) 2017-07-04 2017-07-04 Batterie für einen elektrischen Antrieb eines Kraftwagens

Publications (1)

Publication Number Publication Date
WO2019007735A1 true WO2019007735A1 (fr) 2019-01-10

Family

ID=62842066

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2018/066921 WO2019007735A1 (fr) 2017-07-04 2018-06-25 Batterie pour un entraînement électrique d'un véhicule à moteur

Country Status (2)

Country Link
DE (1) DE102017211367B4 (fr)
WO (1) WO2019007735A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11502349B2 (en) 2020-08-31 2022-11-15 Borgwarner, Inc. Cooling manifold assembly

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102020005252A1 (de) * 2020-08-27 2022-03-03 Voltabox Ag Elektrobatterie für ein elektrisch oder teilelektrisch angetriebenes Kraftfahrzeug, verfahrbares oder stationäres Aggregat
DE102022124844A1 (de) 2022-09-27 2024-03-28 Kautex Textron Gmbh & Co. Kg Batteriegehäusesystem zur aufnahme von zumindest zwei batteriezellenblöcken, traktionsbatterie mit batteriegehäusesystem und kraftfahrzeug mit traktionsbatterie

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012015919A1 (de) 2012-08-10 2014-02-13 Daimler Ag Batteriegehäuse für einen Kraftwagen und Verfahren zum Herstellen eines Batteriegehäuses
DE102013201021A1 (de) * 2013-01-23 2014-07-24 Robert Bosch Gmbh Batteriemodul mit mehreren Batteriezellen sowie Behälter zur Aufnahme einer Batteriezelle
DE102013106433A1 (de) 2013-06-20 2014-12-24 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Tragrahmen für ein Kraftfahrzeug
DE102013021549A1 (de) * 2013-12-18 2015-06-18 Daimler Ag Hochvoltbatterie
DE102015014033A1 (de) 2015-10-30 2016-04-14 Daimler Ag Hochvolt-Batterie für einen Kraftwagen, insbesondere ein Hybridfahrzeug oder Elektrofahrzeug
DE102016102848A1 (de) * 2015-02-24 2016-08-25 GM Global Technology Operations LLC (n. d. Ges. d. Staates Delaware) Kühlsysteme für ein Batteriesystem sowie Verfahren
DE102016224277A1 (de) * 2016-12-06 2018-06-07 Audi Ag Batterie für ein Kraftfahrzeug und Kraftfahrzeug

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011075820B4 (de) * 2011-05-13 2018-06-28 Lisa Dräxlmaier GmbH Traktionsbatterie
JP2013012441A (ja) * 2011-06-30 2013-01-17 Sanyo Electric Co Ltd 電源装置及び電源装置を備える車両
DE102012209306B4 (de) * 2012-06-01 2023-08-31 Robert Bosch Gmbh Kühlsystem für Batteriezellen
JP6206308B2 (ja) * 2014-04-11 2017-10-04 株式会社豊田自動織機 電池パック
DE102014216811B4 (de) * 2014-08-25 2022-03-10 Robert Bosch Gmbh Batteriemodulsystem

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012015919A1 (de) 2012-08-10 2014-02-13 Daimler Ag Batteriegehäuse für einen Kraftwagen und Verfahren zum Herstellen eines Batteriegehäuses
DE102013201021A1 (de) * 2013-01-23 2014-07-24 Robert Bosch Gmbh Batteriemodul mit mehreren Batteriezellen sowie Behälter zur Aufnahme einer Batteriezelle
DE102013106433A1 (de) 2013-06-20 2014-12-24 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Tragrahmen für ein Kraftfahrzeug
DE102013021549A1 (de) * 2013-12-18 2015-06-18 Daimler Ag Hochvoltbatterie
DE102016102848A1 (de) * 2015-02-24 2016-08-25 GM Global Technology Operations LLC (n. d. Ges. d. Staates Delaware) Kühlsysteme für ein Batteriesystem sowie Verfahren
DE102015014033A1 (de) 2015-10-30 2016-04-14 Daimler Ag Hochvolt-Batterie für einen Kraftwagen, insbesondere ein Hybridfahrzeug oder Elektrofahrzeug
DE102016224277A1 (de) * 2016-12-06 2018-06-07 Audi Ag Batterie für ein Kraftfahrzeug und Kraftfahrzeug

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
N.N.: "Crashsicherer Batterieschutz für Elektroautos", 1 September 2011 (2011-09-01), pages 1 - 3, XP055506476, Retrieved from the Internet <URL:https://www.fraunhofer.de/de/presse/presseinformationen/2011/september/batterieschutz.html> [retrieved on 20180912] *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11502349B2 (en) 2020-08-31 2022-11-15 Borgwarner, Inc. Cooling manifold assembly

Also Published As

Publication number Publication date
DE102017211367B4 (de) 2024-02-22
DE102017211367A1 (de) 2019-01-10

Similar Documents

Publication Publication Date Title
DE102009006990A1 (de) Karosserieaufbau mit einem Hohlraum
EP2301825B1 (fr) Module avant pour véhicule automobile
DE102016217935B4 (de) Traktionsbatterie mit eingeschobenen Batteriemodulen und Kraftfahrzeug mit elektrischem Fahrantrieb
DE102010034925A1 (de) Energiespeicheranordnung im Bodenbereich eines Fahrzeugs
WO2019007735A1 (fr) Batterie pour un entraînement électrique d&#39;un véhicule à moteur
WO2021043562A1 (fr) Groupe de plancher accumulateur d&#39;énergie pour un véhicule à moteur
DE102017110578A1 (de) Kraftfahrzeug-Hochspannungs-Energiespeicher
EP3557654A1 (fr) Dispositif de montage d&#39;un véhicule automobile électrique
WO2021043984A1 (fr) Ensemble plancher accumulateur d&#39;énergie pour un véhicule automobile
DE102019123844A1 (de) Fahrzeugboden für eine Energiespeicher-Bodengruppe eines Kraftwagens
WO2019007733A1 (fr) Batterie pour entraînement électrique d&#39;un véhicule automobile
DE102019101728A1 (de) Struktur zum Befestigen einer elektrischen Vorrichtung
WO2019007736A1 (fr) Batterie pour un entraînement électrique d&#39;un véhicule à moteur
DE102020133960A1 (de) Energiespeicher-Bodengruppe für einen elektrisch antreibbaren Kraftwagen
WO2019007732A1 (fr) Dispositif d&#39;accumulation d&#39;énergie pour un véhicule automobile et véhicule automobile
WO2019007734A1 (fr) Batterie pour un entraînement électrique d&#39;un véhicule à moteur
DE102018208673A1 (de) Reichweitenverlängerer zur Verlängerung der Reichweite eines elektrisch antreibbaren Kraftfahrzeugs sowie elektrisch antreibbares Kraftfahrzeug
DE102008029200A1 (de) Karosseriestruktur einer Kraftwagenkarosserie
DE102016203210A1 (de) Zumindest teilweise elektrisch betreibbares Kraftfahrzeug
DE102017211372A1 (de) Batterie sowie Fahrzeug mit einer solchen Batterie
DE102020100135A1 (de) Batteriekasten
WO2020156885A1 (fr) Véhicule à moteur doté d&#39;un module de fond et d&#39;un module de cellules d&#39;accumulateur
DE102019205422A1 (de) Unterfahrschutz mit integrierter Kühleinrichtung, Batteriegehäuse, Batterie und Kraftfahrzeug
DE102017211362B4 (de) Trageinrichtung einer Batterie eines elektrischen Antriebsstrangs für jeweilige Kraftwägen einer Fahrzeugbaureihe
DE102018210124A1 (de) Batteriegehäuse und Kraftfahrzeug mit einem solchen Batteriegehäuse

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 18737824

Country of ref document: EP

Kind code of ref document: A1

122 Ep: pct application non-entry in european phase

Ref document number: 18737824

Country of ref document: EP

Kind code of ref document: A1